Lines Matching refs:sb
64 static int ext4_commit_super(struct super_block *sb, int sync);
65 static void ext4_mark_recovery_complete(struct super_block *sb,
67 static void ext4_clear_journal_err(struct super_block *sb,
69 static int ext4_sync_fs(struct super_block *sb, int wait);
70 static int ext4_remount(struct super_block *sb, int *flags, char *data);
72 static int ext4_unfreeze(struct super_block *sb);
73 static int ext4_freeze(struct super_block *sb);
76 static inline int ext2_feature_set_ok(struct super_block *sb);
77 static inline int ext3_feature_set_ok(struct super_block *sb);
78 static int ext4_feature_set_ok(struct super_block *sb, int readonly);
80 static void ext4_unregister_li_request(struct super_block *sb);
93 #define IS_EXT2_SB(sb) ((sb)->s_bdev->bd_holder == &ext2_fs_type) argument
95 #define IS_EXT2_SB(sb) (0) argument
108 #define IS_EXT3_SB(sb) ((sb)->s_bdev->bd_holder == &ext3_fs_type) argument
110 static int ext4_verify_csum_type(struct super_block *sb, in ext4_verify_csum_type() argument
113 if (!ext4_has_feature_metadata_csum(sb)) in ext4_verify_csum_type()
119 static __le32 ext4_superblock_csum(struct super_block *sb, in ext4_superblock_csum() argument
122 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_superblock_csum()
131 static int ext4_superblock_csum_verify(struct super_block *sb, in ext4_superblock_csum_verify() argument
134 if (!ext4_has_metadata_csum(sb)) in ext4_superblock_csum_verify()
137 return es->s_checksum == ext4_superblock_csum(sb, es); in ext4_superblock_csum_verify()
140 void ext4_superblock_csum_set(struct super_block *sb) in ext4_superblock_csum_set() argument
142 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_superblock_csum_set()
144 if (!ext4_has_metadata_csum(sb)) in ext4_superblock_csum_set()
147 es->s_checksum = ext4_superblock_csum(sb, es); in ext4_superblock_csum_set()
170 ext4_fsblk_t ext4_block_bitmap(struct super_block *sb, in ext4_block_bitmap() argument
174 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_block_bitmap()
178 ext4_fsblk_t ext4_inode_bitmap(struct super_block *sb, in ext4_inode_bitmap() argument
182 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_inode_bitmap()
186 ext4_fsblk_t ext4_inode_table(struct super_block *sb, in ext4_inode_table() argument
190 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_inode_table()
194 __u32 ext4_free_group_clusters(struct super_block *sb, in ext4_free_group_clusters() argument
198 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_free_group_clusters()
202 __u32 ext4_free_inodes_count(struct super_block *sb, in ext4_free_inodes_count() argument
206 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_free_inodes_count()
210 __u32 ext4_used_dirs_count(struct super_block *sb, in ext4_used_dirs_count() argument
214 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_used_dirs_count()
218 __u32 ext4_itable_unused_count(struct super_block *sb, in ext4_itable_unused_count() argument
222 (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT ? in ext4_itable_unused_count()
226 void ext4_block_bitmap_set(struct super_block *sb, in ext4_block_bitmap_set() argument
230 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_block_bitmap_set()
234 void ext4_inode_bitmap_set(struct super_block *sb, in ext4_inode_bitmap_set() argument
238 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_inode_bitmap_set()
242 void ext4_inode_table_set(struct super_block *sb, in ext4_inode_table_set() argument
246 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_inode_table_set()
250 void ext4_free_group_clusters_set(struct super_block *sb, in ext4_free_group_clusters_set() argument
254 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_free_group_clusters_set()
258 void ext4_free_inodes_set(struct super_block *sb, in ext4_free_inodes_set() argument
262 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_free_inodes_set()
266 void ext4_used_dirs_set(struct super_block *sb, in ext4_used_dirs_set() argument
270 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_used_dirs_set()
274 void ext4_itable_unused_set(struct super_block *sb, in ext4_itable_unused_set() argument
278 if (EXT4_DESC_SIZE(sb) >= EXT4_MIN_DESC_SIZE_64BIT) in ext4_itable_unused_set()
283 static void __save_error_info(struct super_block *sb, const char *func, in __save_error_info() argument
286 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in __save_error_info()
288 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in __save_error_info()
289 if (bdev_read_only(sb->s_bdev)) in __save_error_info()
308 mod_timer(&EXT4_SB(sb)->s_err_report, jiffies + 24*60*60*HZ); in __save_error_info()
312 static void save_error_info(struct super_block *sb, const char *func, in save_error_info() argument
315 __save_error_info(sb, func, line); in save_error_info()
316 ext4_commit_super(sb, 1); in save_error_info()
327 static int block_device_ejected(struct super_block *sb) in block_device_ejected() argument
329 struct inode *bd_inode = sb->s_bdev->bd_inode; in block_device_ejected()
337 struct super_block *sb = journal->j_private; in ext4_journal_commit_callback() local
338 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_journal_commit_callback()
349 jce->jce_func(sb, jce, error); in ext4_journal_commit_callback()
370 static void ext4_handle_error(struct super_block *sb) in ext4_handle_error() argument
372 if (sb->s_flags & MS_RDONLY) in ext4_handle_error()
375 if (!test_opt(sb, ERRORS_CONT)) { in ext4_handle_error()
376 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_handle_error()
378 EXT4_SB(sb)->s_mount_flags |= EXT4_MF_FS_ABORTED; in ext4_handle_error()
382 if (test_opt(sb, ERRORS_RO)) { in ext4_handle_error()
383 ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); in ext4_handle_error()
389 sb->s_flags |= MS_RDONLY; in ext4_handle_error()
391 if (test_opt(sb, ERRORS_PANIC)) { in ext4_handle_error()
392 if (EXT4_SB(sb)->s_journal && in ext4_handle_error()
393 !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR)) in ext4_handle_error()
396 sb->s_id); in ext4_handle_error()
400 #define ext4_error_ratelimit(sb) \ argument
401 ___ratelimit(&(EXT4_SB(sb)->s_err_ratelimit_state), \
404 void __ext4_error(struct super_block *sb, const char *function, in __ext4_error() argument
410 if (ext4_error_ratelimit(sb)) { in __ext4_error()
416 sb->s_id, function, line, current->comm, &vaf); in __ext4_error()
419 save_error_info(sb, function, line); in __ext4_error()
420 ext4_handle_error(sb); in __ext4_error()
490 const char *ext4_decode_error(struct super_block *sb, int errno, in ext4_decode_error() argument
509 if (!sb || (EXT4_SB(sb)->s_journal && in ext4_decode_error()
510 EXT4_SB(sb)->s_journal->j_flags & JBD2_ABORT)) in ext4_decode_error()
533 void __ext4_std_error(struct super_block *sb, const char *function, in __ext4_std_error() argument
543 (sb->s_flags & MS_RDONLY)) in __ext4_std_error()
546 if (ext4_error_ratelimit(sb)) { in __ext4_std_error()
547 errstr = ext4_decode_error(sb, errno, nbuf); in __ext4_std_error()
549 sb->s_id, function, line, errstr); in __ext4_std_error()
552 save_error_info(sb, function, line); in __ext4_std_error()
553 ext4_handle_error(sb); in __ext4_std_error()
566 void __ext4_abort(struct super_block *sb, const char *function, in __ext4_abort() argument
571 save_error_info(sb, function, line); in __ext4_abort()
573 printk(KERN_CRIT "EXT4-fs error (device %s): %s:%d: ", sb->s_id, in __ext4_abort()
579 if ((sb->s_flags & MS_RDONLY) == 0) { in __ext4_abort()
580 ext4_msg(sb, KERN_CRIT, "Remounting filesystem read-only"); in __ext4_abort()
581 EXT4_SB(sb)->s_mount_flags |= EXT4_MF_FS_ABORTED; in __ext4_abort()
587 sb->s_flags |= MS_RDONLY; in __ext4_abort()
588 if (EXT4_SB(sb)->s_journal) in __ext4_abort()
589 jbd2_journal_abort(EXT4_SB(sb)->s_journal, -EIO); in __ext4_abort()
590 save_error_info(sb, function, line); in __ext4_abort()
592 if (test_opt(sb, ERRORS_PANIC)) { in __ext4_abort()
593 if (EXT4_SB(sb)->s_journal && in __ext4_abort()
594 !(EXT4_SB(sb)->s_journal->j_flags & JBD2_REC_ERR)) in __ext4_abort()
600 void __ext4_msg(struct super_block *sb, in __ext4_msg() argument
606 if (!___ratelimit(&(EXT4_SB(sb)->s_msg_ratelimit_state), "EXT4-fs")) in __ext4_msg()
612 printk("%sEXT4-fs (%s): %pV\n", prefix, sb->s_id, &vaf); in __ext4_msg()
616 #define ext4_warning_ratelimit(sb) \ argument
617 ___ratelimit(&(EXT4_SB(sb)->s_warning_ratelimit_state), \
620 void __ext4_warning(struct super_block *sb, const char *function, in __ext4_warning() argument
626 if (!ext4_warning_ratelimit(sb)) in __ext4_warning()
633 sb->s_id, function, line, &vaf); in __ext4_warning()
656 struct super_block *sb, ext4_group_t grp, in __ext4_grp_locked_error() argument
664 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in __ext4_grp_locked_error()
668 __save_error_info(sb, function, line); in __ext4_grp_locked_error()
670 if (ext4_error_ratelimit(sb)) { in __ext4_grp_locked_error()
675 sb->s_id, function, line, grp); in __ext4_grp_locked_error()
685 if (test_opt(sb, ERRORS_CONT)) { in __ext4_grp_locked_error()
686 ext4_commit_super(sb, 0); in __ext4_grp_locked_error()
690 ext4_unlock_group(sb, grp); in __ext4_grp_locked_error()
691 ext4_handle_error(sb); in __ext4_grp_locked_error()
703 ext4_lock_group(sb, grp); in __ext4_grp_locked_error()
707 void ext4_update_dynamic_rev(struct super_block *sb) in ext4_update_dynamic_rev() argument
709 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_update_dynamic_rev()
714 ext4_warning(sb, in ext4_update_dynamic_rev()
735 static struct block_device *ext4_blkdev_get(dev_t dev, struct super_block *sb) in ext4_blkdev_get() argument
740 bdev = blkdev_get_by_dev(dev, FMODE_READ|FMODE_WRITE|FMODE_EXCL, sb); in ext4_blkdev_get()
746 ext4_msg(sb, KERN_ERR, "failed to open journal device %s: %ld", in ext4_blkdev_get()
774 static void dump_orphan_list(struct super_block *sb, struct ext4_sb_info *sbi) in dump_orphan_list() argument
778 ext4_msg(sb, KERN_ERR, "sb orphan head is %d", in dump_orphan_list()
792 static void ext4_put_super(struct super_block *sb) in ext4_put_super() argument
794 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_put_super()
798 ext4_unregister_li_request(sb); in ext4_put_super()
799 dquot_disable(sb, -1, DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED); in ext4_put_super()
808 ext4_abort(sb, "Couldn't clean up the journal"); in ext4_put_super()
811 ext4_unregister_sysfs(sb); in ext4_put_super()
814 ext4_release_system_zone(sb); in ext4_put_super()
815 ext4_mb_release(sb); in ext4_put_super()
816 ext4_ext_release(sb); in ext4_put_super()
817 ext4_xattr_put_super(sb); in ext4_put_super()
819 if (!(sb->s_flags & MS_RDONLY)) { in ext4_put_super()
820 ext4_clear_feature_journal_needs_recovery(sb); in ext4_put_super()
823 if (!(sb->s_flags & MS_RDONLY)) in ext4_put_super()
824 ext4_commit_super(sb, 1); in ext4_put_super()
845 dump_orphan_list(sb, sbi); in ext4_put_super()
848 sync_blockdev(sb->s_bdev); in ext4_put_super()
849 invalidate_bdev(sb->s_bdev); in ext4_put_super()
850 if (sbi->journal_bdev && sbi->journal_bdev != sb->s_bdev) { in ext4_put_super()
866 sb->s_fs_info = NULL; in ext4_put_super()
884 static struct inode *ext4_alloc_inode(struct super_block *sb) in ext4_alloc_inode() argument
1006 static struct inode *ext4_nfs_get_inode(struct super_block *sb, in ext4_nfs_get_inode() argument
1011 if (ino < EXT4_FIRST_INO(sb) && ino != EXT4_ROOT_INO) in ext4_nfs_get_inode()
1013 if (ino > le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count)) in ext4_nfs_get_inode()
1024 inode = ext4_iget_normal(sb, ino); in ext4_nfs_get_inode()
1035 static struct dentry *ext4_fh_to_dentry(struct super_block *sb, struct fid *fid, in ext4_fh_to_dentry() argument
1038 return generic_fh_to_dentry(sb, fid, fh_len, fh_type, in ext4_fh_to_dentry()
1042 static struct dentry *ext4_fh_to_parent(struct super_block *sb, struct fid *fid, in ext4_fh_to_parent() argument
1045 return generic_fh_to_parent(sb, fid, fh_len, fh_type, in ext4_fh_to_parent()
1055 static int bdev_try_to_free_page(struct super_block *sb, struct page *page, in bdev_try_to_free_page() argument
1058 journal_t *journal = EXT4_SB(sb)->s_journal; in bdev_try_to_free_page()
1077 static int ext4_write_info(struct super_block *sb, int type);
1078 static int ext4_quota_on(struct super_block *sb, int type, int format_id,
1080 static int ext4_quota_off(struct super_block *sb, int type);
1081 static int ext4_quota_on_mount(struct super_block *sb, int type);
1082 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data,
1084 static ssize_t ext4_quota_write(struct super_block *sb, int type,
1086 static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
1088 static int ext4_enable_quotas(struct super_block *sb);
1282 static int set_qf_name(struct super_block *sb, int qtype, substring_t *args) in set_qf_name() argument
1284 struct ext4_sb_info *sbi = EXT4_SB(sb); in set_qf_name()
1288 if (sb_any_quota_loaded(sb) && in set_qf_name()
1290 ext4_msg(sb, KERN_ERR, in set_qf_name()
1295 if (ext4_has_feature_quota(sb)) { in set_qf_name()
1296 ext4_msg(sb, KERN_INFO, "Journaled quota options " in set_qf_name()
1302 ext4_msg(sb, KERN_ERR, in set_qf_name()
1310 ext4_msg(sb, KERN_ERR, in set_qf_name()
1316 ext4_msg(sb, KERN_ERR, in set_qf_name()
1321 set_opt(sb, QUOTA); in set_qf_name()
1328 static int clear_qf_name(struct super_block *sb, int qtype) in clear_qf_name() argument
1331 struct ext4_sb_info *sbi = EXT4_SB(sb); in clear_qf_name()
1333 if (sb_any_quota_loaded(sb) && in clear_qf_name()
1335 ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options" in clear_qf_name()
1451 static int handle_mount_opt(struct super_block *sb, char *opt, int token, in handle_mount_opt() argument
1455 struct ext4_sb_info *sbi = EXT4_SB(sb); in handle_mount_opt()
1463 return set_qf_name(sb, USRQUOTA, &args[0]); in handle_mount_opt()
1465 return set_qf_name(sb, GRPQUOTA, &args[0]); in handle_mount_opt()
1467 return clear_qf_name(sb, USRQUOTA); in handle_mount_opt()
1469 return clear_qf_name(sb, GRPQUOTA); in handle_mount_opt()
1474 ext4_msg(sb, KERN_WARNING, deprecated_msg, opt, "3.5"); in handle_mount_opt()
1479 ext4_msg(sb, KERN_WARNING, "Ignoring removed %s option", opt); in handle_mount_opt()
1485 sb->s_flags |= MS_I_VERSION; in handle_mount_opt()
1488 sb->s_flags |= MS_LAZYTIME; in handle_mount_opt()
1491 sb->s_flags &= ~MS_LAZYTIME; in handle_mount_opt()
1500 ext4_msg(sb, KERN_ERR, "Unrecognized mount option \"%s\" " in handle_mount_opt()
1505 if ((m->flags & MOPT_NO_EXT2) && IS_EXT2_SB(sb)) { in handle_mount_opt()
1506 ext4_msg(sb, KERN_ERR, in handle_mount_opt()
1510 if ((m->flags & MOPT_NO_EXT3) && IS_EXT3_SB(sb)) { in handle_mount_opt()
1511 ext4_msg(sb, KERN_ERR, in handle_mount_opt()
1522 set_opt2(sb, EXPLICIT_DELALLOC); in handle_mount_opt()
1524 set_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM); in handle_mount_opt()
1529 clear_opt(sb, ERRORS_MASK); in handle_mount_opt()
1530 if (token == Opt_noquota && sb_any_quota_loaded(sb)) { in handle_mount_opt()
1531 ext4_msg(sb, KERN_ERR, "Cannot change quota " in handle_mount_opt()
1537 ext4_msg(sb, KERN_ERR, "%s option not supported", opt); in handle_mount_opt()
1548 ext4_msg(sb, KERN_ERR, in handle_mount_opt()
1555 set_opt(sb, INIT_INODE_TABLE); in handle_mount_opt()
1566 ext4_msg(sb, KERN_ERR, "Invalid uid value %d", arg); in handle_mount_opt()
1573 ext4_msg(sb, KERN_ERR, "Invalid gid value %d", arg); in handle_mount_opt()
1579 ext4_msg(sb, KERN_ERR, in handle_mount_opt()
1591 ext4_msg(sb, KERN_ERR, in handle_mount_opt()
1597 ext4_msg(sb, KERN_ERR, "error: could not dup " in handle_mount_opt()
1604 ext4_msg(sb, KERN_ERR, "error: could not find " in handle_mount_opt()
1612 ext4_msg(sb, KERN_ERR, "error: journal path %s " in handle_mount_opt()
1624 ext4_msg(sb, KERN_ERR, "Invalid journal IO priority" in handle_mount_opt()
1633 ext4_msg(sb, KERN_WARNING, in handle_mount_opt()
1636 ext4_msg(sb, KERN_WARNING, in handle_mount_opt()
1642 …ext4_msg(sb, KERN_WARNING, "Remounting file system with no journal so ignoring journalled data opt… in handle_mount_opt()
1643 else if (test_opt(sb, DATA_FLAGS) != m->mount_opt) { in handle_mount_opt()
1644 ext4_msg(sb, KERN_ERR, in handle_mount_opt()
1649 clear_opt(sb, DATA_FLAGS); in handle_mount_opt()
1654 if (sb_any_quota_loaded(sb) && in handle_mount_opt()
1656 ext4_msg(sb, KERN_ERR, "Cannot change journaled " in handle_mount_opt()
1660 if (ext4_has_feature_quota(sb)) { in handle_mount_opt()
1661 ext4_msg(sb, KERN_INFO, in handle_mount_opt()
1670 ext4_msg(sb, KERN_WARNING, in handle_mount_opt()
1674 ext4_msg(sb, KERN_INFO, "dax option not supported"); in handle_mount_opt()
1683 ext4_msg(sb, KERN_WARNING, in handle_mount_opt()
1696 static int parse_options(char *options, struct super_block *sb, in parse_options() argument
1701 struct ext4_sb_info *sbi = EXT4_SB(sb); in parse_options()
1718 if (handle_mount_opt(sb, p, token, args, journal_devnum, in parse_options()
1723 if (ext4_has_feature_quota(sb) && in parse_options()
1724 (test_opt(sb, USRQUOTA) || test_opt(sb, GRPQUOTA))) { in parse_options()
1725 ext4_msg(sb, KERN_INFO, "Quota feature enabled, usrquota and grpquota " in parse_options()
1727 clear_opt(sb, USRQUOTA); in parse_options()
1728 clear_opt(sb, GRPQUOTA); in parse_options()
1730 if (test_opt(sb, USRQUOTA) && sbi->s_qf_names[USRQUOTA]) in parse_options()
1731 clear_opt(sb, USRQUOTA); in parse_options()
1733 if (test_opt(sb, GRPQUOTA) && sbi->s_qf_names[GRPQUOTA]) in parse_options()
1734 clear_opt(sb, GRPQUOTA); in parse_options()
1736 if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) { in parse_options()
1737 ext4_msg(sb, KERN_ERR, "old and new quota " in parse_options()
1743 ext4_msg(sb, KERN_ERR, "journaled quota format " in parse_options()
1749 if (test_opt(sb, DIOREAD_NOLOCK)) { in parse_options()
1754 ext4_msg(sb, KERN_ERR, "can't mount with " in parse_options()
1759 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA && in parse_options()
1760 test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in parse_options()
1761 ext4_msg(sb, KERN_ERR, "can't mount with journal_async_commit " in parse_options()
1769 struct super_block *sb) in ext4_show_quota_options() argument
1772 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_show_quota_options()
1814 static int _ext4_show_options(struct seq_file *seq, struct super_block *sb, in _ext4_show_options() argument
1817 struct ext4_sb_info *sbi = EXT4_SB(sb); in _ext4_show_options()
1852 if (test_opt(sb, ERRORS_RO) && def_errors != EXT4_ERRORS_RO) in _ext4_show_options()
1854 if (test_opt(sb, ERRORS_CONT) && def_errors != EXT4_ERRORS_CONTINUE) in _ext4_show_options()
1856 if (test_opt(sb, ERRORS_PANIC) && def_errors != EXT4_ERRORS_PANIC) in _ext4_show_options()
1864 if (sb->s_flags & MS_I_VERSION) in _ext4_show_options()
1869 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) in _ext4_show_options()
1871 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) in _ext4_show_options()
1873 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA) in _ext4_show_options()
1881 if (nodefs || (test_opt(sb, INIT_INODE_TABLE) && in _ext4_show_options()
1887 ext4_show_quota_options(seq, sb); in _ext4_show_options()
1898 struct super_block *sb = seq->private; in ext4_seq_options_show() local
1901 seq_puts(seq, (sb->s_flags & MS_RDONLY) ? "ro" : "rw"); in ext4_seq_options_show()
1902 rc = _ext4_show_options(seq, sb, 1); in ext4_seq_options_show()
1907 static int ext4_setup_super(struct super_block *sb, struct ext4_super_block *es, in ext4_setup_super() argument
1910 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_setup_super()
1914 ext4_msg(sb, KERN_ERR, "revision level too high, " in ext4_setup_super()
1921 ext4_msg(sb, KERN_WARNING, "warning: mounting unchecked fs, " in ext4_setup_super()
1924 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
1930 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
1936 ext4_msg(sb, KERN_WARNING, in ext4_setup_super()
1945 ext4_update_dynamic_rev(sb); in ext4_setup_super()
1947 ext4_set_feature_journal_needs_recovery(sb); in ext4_setup_super()
1949 ext4_commit_super(sb, 1); in ext4_setup_super()
1951 if (test_opt(sb, DEBUG)) in ext4_setup_super()
1954 sb->s_blocksize, in ext4_setup_super()
1956 EXT4_BLOCKS_PER_GROUP(sb), in ext4_setup_super()
1957 EXT4_INODES_PER_GROUP(sb), in ext4_setup_super()
1960 cleancache_init_fs(sb); in ext4_setup_super()
1964 int ext4_alloc_flex_bg_array(struct super_block *sb, ext4_group_t ngroup) in ext4_alloc_flex_bg_array() argument
1966 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_alloc_flex_bg_array()
1980 ext4_msg(sb, KERN_ERR, "not enough memory for %d flex groups", in ext4_alloc_flex_bg_array()
1996 static int ext4_fill_flex_info(struct super_block *sb) in ext4_fill_flex_info() argument
1998 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_fill_flex_info()
2009 err = ext4_alloc_flex_bg_array(sb, sbi->s_groups_count); in ext4_fill_flex_info()
2014 gdp = ext4_get_group_desc(sb, i, NULL); in ext4_fill_flex_info()
2017 atomic_add(ext4_free_inodes_count(sb, gdp), in ext4_fill_flex_info()
2019 atomic64_add(ext4_free_group_clusters(sb, gdp), in ext4_fill_flex_info()
2021 atomic_add(ext4_used_dirs_count(sb, gdp), in ext4_fill_flex_info()
2030 static __le16 ext4_group_desc_csum(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum() argument
2036 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_group_desc_csum()
2056 if (!ext4_has_feature_gdt_csum(sb)) in ext4_group_desc_csum()
2066 if (ext4_has_feature_64bit(sb) && in ext4_group_desc_csum()
2076 int ext4_group_desc_csum_verify(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum_verify() argument
2079 if (ext4_has_group_desc_csum(sb) && in ext4_group_desc_csum_verify()
2080 (gdp->bg_checksum != ext4_group_desc_csum(sb, block_group, gdp))) in ext4_group_desc_csum_verify()
2086 void ext4_group_desc_csum_set(struct super_block *sb, __u32 block_group, in ext4_group_desc_csum_set() argument
2089 if (!ext4_has_group_desc_csum(sb)) in ext4_group_desc_csum_set()
2091 gdp->bg_checksum = ext4_group_desc_csum(sb, block_group, gdp); in ext4_group_desc_csum_set()
2095 static int ext4_check_descriptors(struct super_block *sb, in ext4_check_descriptors() argument
2098 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_check_descriptors()
2107 if (ext4_has_feature_flex_bg(sb)) in ext4_check_descriptors()
2113 struct ext4_group_desc *gdp = ext4_get_group_desc(sb, i, NULL); in ext4_check_descriptors()
2119 (EXT4_BLOCKS_PER_GROUP(sb) - 1); in ext4_check_descriptors()
2125 block_bitmap = ext4_block_bitmap(sb, gdp); in ext4_check_descriptors()
2127 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
2132 inode_bitmap = ext4_inode_bitmap(sb, gdp); in ext4_check_descriptors()
2134 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
2139 inode_table = ext4_inode_table(sb, gdp); in ext4_check_descriptors()
2142 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
2147 ext4_lock_group(sb, i); in ext4_check_descriptors()
2148 if (!ext4_group_desc_csum_verify(sb, i, gdp)) { in ext4_check_descriptors()
2149 ext4_msg(sb, KERN_ERR, "ext4_check_descriptors: " in ext4_check_descriptors()
2151 i, le16_to_cpu(ext4_group_desc_csum(sb, i, in ext4_check_descriptors()
2153 if (!(sb->s_flags & MS_RDONLY)) { in ext4_check_descriptors()
2154 ext4_unlock_group(sb, i); in ext4_check_descriptors()
2158 ext4_unlock_group(sb, i); in ext4_check_descriptors()
2160 first_block += EXT4_BLOCKS_PER_GROUP(sb); in ext4_check_descriptors()
2184 static void ext4_orphan_cleanup(struct super_block *sb, in ext4_orphan_cleanup() argument
2187 unsigned int s_flags = sb->s_flags; in ext4_orphan_cleanup()
2197 if (bdev_read_only(sb->s_bdev)) { in ext4_orphan_cleanup()
2198 ext4_msg(sb, KERN_ERR, "write access " in ext4_orphan_cleanup()
2204 if (!ext4_feature_set_ok(sb, 0)) { in ext4_orphan_cleanup()
2205 ext4_msg(sb, KERN_INFO, "Skipping orphan cleanup due to " in ext4_orphan_cleanup()
2210 if (EXT4_SB(sb)->s_mount_state & EXT4_ERROR_FS) { in ext4_orphan_cleanup()
2213 ext4_msg(sb, KERN_INFO, "Errors on filesystem, " in ext4_orphan_cleanup()
2222 ext4_msg(sb, KERN_INFO, "orphan cleanup on readonly fs"); in ext4_orphan_cleanup()
2223 sb->s_flags &= ~MS_RDONLY; in ext4_orphan_cleanup()
2227 sb->s_flags |= MS_ACTIVE; in ext4_orphan_cleanup()
2230 if (EXT4_SB(sb)->s_qf_names[i]) { in ext4_orphan_cleanup()
2231 int ret = ext4_quota_on_mount(sb, i); in ext4_orphan_cleanup()
2233 ext4_msg(sb, KERN_ERR, in ext4_orphan_cleanup()
2243 inode = ext4_orphan_get(sb, le32_to_cpu(es->s_last_orphan)); in ext4_orphan_cleanup()
2249 list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan); in ext4_orphan_cleanup()
2252 if (test_opt(sb, DEBUG)) in ext4_orphan_cleanup()
2253 ext4_msg(sb, KERN_DEBUG, in ext4_orphan_cleanup()
2264 if (test_opt(sb, DEBUG)) in ext4_orphan_cleanup()
2265 ext4_msg(sb, KERN_DEBUG, in ext4_orphan_cleanup()
2278 ext4_msg(sb, KERN_INFO, "%d orphan inode%s deleted", in ext4_orphan_cleanup()
2281 ext4_msg(sb, KERN_INFO, "%d truncate%s cleaned up", in ext4_orphan_cleanup()
2286 if (sb_dqopt(sb)->files[i]) in ext4_orphan_cleanup()
2287 dquot_quota_off(sb, i); in ext4_orphan_cleanup()
2290 sb->s_flags = s_flags; /* Restore MS_RDONLY status */ in ext4_orphan_cleanup()
2405 static ext4_fsblk_t descriptor_loc(struct super_block *sb, in descriptor_loc() argument
2408 struct ext4_sb_info *sbi = EXT4_SB(sb); in descriptor_loc()
2414 if (!ext4_has_feature_meta_bg(sb) || nr < first_meta_bg) in descriptor_loc()
2417 if (ext4_bg_has_super(sb, bg)) in descriptor_loc()
2426 if (sb->s_blocksize == 1024 && nr == 0 && in descriptor_loc()
2427 le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block) == 0) in descriptor_loc()
2430 return (has_super + ext4_group_first_block_no(sb, bg)); in descriptor_loc()
2476 static int ext4_feature_set_ok(struct super_block *sb, int readonly) in ext4_feature_set_ok() argument
2478 if (ext4_has_unknown_ext4_incompat_features(sb)) { in ext4_feature_set_ok()
2479 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
2482 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_incompat) & in ext4_feature_set_ok()
2490 if (ext4_has_feature_readonly(sb)) { in ext4_feature_set_ok()
2491 ext4_msg(sb, KERN_INFO, "filesystem is read-only"); in ext4_feature_set_ok()
2492 sb->s_flags |= MS_RDONLY; in ext4_feature_set_ok()
2497 if (ext4_has_unknown_ext4_ro_compat_features(sb)) { in ext4_feature_set_ok()
2498 ext4_msg(sb, KERN_ERR, "couldn't mount RDWR because of " in ext4_feature_set_ok()
2500 (le32_to_cpu(EXT4_SB(sb)->s_es->s_feature_ro_compat) & in ext4_feature_set_ok()
2508 if (ext4_has_feature_huge_file(sb)) { in ext4_feature_set_ok()
2510 ext4_msg(sb, KERN_ERR, "Filesystem with huge files " in ext4_feature_set_ok()
2516 if (ext4_has_feature_bigalloc(sb) && !ext4_has_feature_extents(sb)) { in ext4_feature_set_ok()
2517 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
2524 if (ext4_has_feature_quota(sb) && !readonly) { in ext4_feature_set_ok()
2525 ext4_msg(sb, KERN_ERR, in ext4_feature_set_ok()
2540 struct super_block *sb = (struct super_block *) arg; in print_daily_error_info() local
2544 sbi = EXT4_SB(sb); in print_daily_error_info()
2549 ext4_msg(sb, KERN_NOTICE, "error count since last fsck: %u", in print_daily_error_info()
2553 sb->s_id, le32_to_cpu(es->s_first_error_time), in print_daily_error_info()
2567 sb->s_id, le32_to_cpu(es->s_last_error_time), in print_daily_error_info()
2587 struct super_block *sb; in ext4_run_li_request() local
2591 sb = elr->lr_super; in ext4_run_li_request()
2592 ngroups = EXT4_SB(sb)->s_groups_count; in ext4_run_li_request()
2594 sb_start_write(sb); in ext4_run_li_request()
2596 gdp = ext4_get_group_desc(sb, group, NULL); in ext4_run_li_request()
2611 ret = ext4_init_inode_table(sb, group, in ext4_run_li_request()
2621 sb_end_write(sb); in ext4_run_li_request()
2644 static void ext4_unregister_li_request(struct super_block *sb) in ext4_unregister_li_request() argument
2653 ext4_remove_li_request(EXT4_SB(sb)->s_li_request); in ext4_unregister_li_request()
2784 static ext4_group_t ext4_has_uninit_itable(struct super_block *sb) in ext4_has_uninit_itable() argument
2786 ext4_group_t group, ngroups = EXT4_SB(sb)->s_groups_count; in ext4_has_uninit_itable()
2790 gdp = ext4_get_group_desc(sb, group, NULL); in ext4_has_uninit_itable()
2819 static struct ext4_li_request *ext4_li_request_new(struct super_block *sb, in ext4_li_request_new() argument
2822 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_li_request_new()
2829 elr->lr_super = sb; in ext4_li_request_new()
2843 int ext4_register_li_request(struct super_block *sb, in ext4_register_li_request() argument
2846 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_register_li_request()
2848 ext4_group_t ngroups = EXT4_SB(sb)->s_groups_count; in ext4_register_li_request()
2862 (sb->s_flags & MS_RDONLY) || in ext4_register_li_request()
2863 !test_opt(sb, INIT_INODE_TABLE)) in ext4_register_li_request()
2866 elr = ext4_li_request_new(sb, first_not_zeroed); in ext4_register_li_request()
2918 static int set_journal_csum_feature_set(struct super_block *sb) in set_journal_csum_feature_set() argument
2922 struct ext4_sb_info *sbi = EXT4_SB(sb); in set_journal_csum_feature_set()
2924 if (ext4_has_metadata_csum(sb)) { in set_journal_csum_feature_set()
2938 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in set_journal_csum_feature_set()
2943 } else if (test_opt(sb, JOURNAL_CHECKSUM)) { in set_journal_csum_feature_set()
2972 static int count_overhead(struct super_block *sb, ext4_group_t grp, in count_overhead() argument
2975 struct ext4_sb_info *sbi = EXT4_SB(sb); in count_overhead()
2978 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in count_overhead()
2981 if (!ext4_has_feature_bigalloc(sb)) in count_overhead()
2982 return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, grp) + in count_overhead()
2986 (grp * EXT4_BLOCKS_PER_GROUP(sb)); in count_overhead()
2987 last_block = first_block + EXT4_BLOCKS_PER_GROUP(sb) - 1; in count_overhead()
2989 gdp = ext4_get_group_desc(sb, i, NULL); in count_overhead()
2990 b = ext4_block_bitmap(sb, gdp); in count_overhead()
2995 b = ext4_inode_bitmap(sb, gdp); in count_overhead()
3000 b = ext4_inode_table(sb, gdp); in count_overhead()
3010 if (ext4_bg_has_super(sb, grp)) { in count_overhead()
3014 for (j = ext4_bg_num_gdb(sb, grp); j > 0; j--) { in count_overhead()
3021 return EXT4_CLUSTERS_PER_GROUP(sb) - in count_overhead()
3022 ext4_count_free(buf, EXT4_CLUSTERS_PER_GROUP(sb) / 8); in count_overhead()
3028 int ext4_calculate_overhead(struct super_block *sb) in ext4_calculate_overhead() argument
3030 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_calculate_overhead()
3032 ext4_group_t i, ngroups = ext4_get_groups_count(sb); in ext4_calculate_overhead()
3056 blks = count_overhead(sb, i, buf); in ext4_calculate_overhead()
3072 static void ext4_set_resv_clusters(struct super_block *sb) in ext4_set_resv_clusters() argument
3075 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_set_resv_clusters()
3083 if (!ext4_has_feature_extents(sb)) in ext4_set_resv_clusters()
3102 static int ext4_fill_super(struct super_block *sb, void *data, int silent) in ext4_fill_super() argument
3136 sb->s_fs_info = sbi; in ext4_fill_super()
3137 sbi->s_sb = sb; in ext4_fill_super()
3140 if (sb->s_bdev->bd_part) in ext4_fill_super()
3142 part_stat_read(sb->s_bdev->bd_part, sectors[1]); in ext4_fill_super()
3145 strreplace(sb->s_id, '/', '!'); in ext4_fill_super()
3149 blocksize = sb_min_blocksize(sb, EXT4_MIN_BLOCK_SIZE); in ext4_fill_super()
3151 ext4_msg(sb, KERN_ERR, "unable to set blocksize"); in ext4_fill_super()
3166 if (!(bh = sb_bread_unmovable(sb, logical_sb_block))) { in ext4_fill_super()
3167 ext4_msg(sb, KERN_ERR, "unable to read superblock"); in ext4_fill_super()
3176 sb->s_magic = le16_to_cpu(es->s_magic); in ext4_fill_super()
3177 if (sb->s_magic != EXT4_SUPER_MAGIC) in ext4_fill_super()
3182 if (ext4_has_feature_metadata_csum(sb) && in ext4_fill_super()
3183 ext4_has_feature_gdt_csum(sb)) in ext4_fill_super()
3184 ext4_warning(sb, "metadata_csum and uninit_bg are " in ext4_fill_super()
3188 if (!ext4_verify_csum_type(sb, es)) { in ext4_fill_super()
3189 ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with " in ext4_fill_super()
3196 if (ext4_has_feature_metadata_csum(sb)) { in ext4_fill_super()
3199 ext4_msg(sb, KERN_ERR, "Cannot load crc32c driver."); in ext4_fill_super()
3207 if (!ext4_superblock_csum_verify(sb, es)) { in ext4_fill_super()
3208 ext4_msg(sb, KERN_ERR, "VFS: Found ext4 filesystem with " in ext4_fill_super()
3216 if (ext4_has_feature_csum_seed(sb)) in ext4_fill_super()
3218 else if (ext4_has_metadata_csum(sb)) in ext4_fill_super()
3224 set_opt(sb, INIT_INODE_TABLE); in ext4_fill_super()
3226 set_opt(sb, DEBUG); in ext4_fill_super()
3228 set_opt(sb, GRPID); in ext4_fill_super()
3230 set_opt(sb, NO_UID32); in ext4_fill_super()
3232 set_opt(sb, XATTR_USER); in ext4_fill_super()
3234 set_opt(sb, POSIX_ACL); in ext4_fill_super()
3237 if (ext4_has_metadata_csum(sb)) in ext4_fill_super()
3238 set_opt(sb, JOURNAL_CHECKSUM); in ext4_fill_super()
3241 set_opt(sb, JOURNAL_DATA); in ext4_fill_super()
3243 set_opt(sb, ORDERED_DATA); in ext4_fill_super()
3245 set_opt(sb, WRITEBACK_DATA); in ext4_fill_super()
3248 set_opt(sb, ERRORS_PANIC); in ext4_fill_super()
3250 set_opt(sb, ERRORS_CONT); in ext4_fill_super()
3252 set_opt(sb, ERRORS_RO); in ext4_fill_super()
3254 set_opt(sb, BLOCK_VALIDITY); in ext4_fill_super()
3256 set_opt(sb, DISCARD); in ext4_fill_super()
3265 set_opt(sb, BARRIER); in ext4_fill_super()
3271 if (!IS_EXT3_SB(sb) && !IS_EXT2_SB(sb) && in ext4_fill_super()
3273 set_opt(sb, DELALLOC); in ext4_fill_super()
3281 if (!parse_options((char *) sbi->s_es->s_mount_opts, sb, in ext4_fill_super()
3283 ext4_msg(sb, KERN_WARNING, in ext4_fill_super()
3288 if (!parse_options((char *) data, sb, &journal_devnum, in ext4_fill_super()
3292 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { in ext4_fill_super()
3296 if (test_opt2(sb, EXPLICIT_DELALLOC)) { in ext4_fill_super()
3297 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3301 if (test_opt(sb, DIOREAD_NOLOCK)) { in ext4_fill_super()
3302 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3306 if (test_opt(sb, DAX)) { in ext4_fill_super()
3307 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3311 if (test_opt(sb, DELALLOC)) in ext4_fill_super()
3312 clear_opt(sb, DELALLOC); in ext4_fill_super()
3314 sb->s_iflags |= SB_I_CGROUPWB; in ext4_fill_super()
3317 sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | in ext4_fill_super()
3318 (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); in ext4_fill_super()
3321 (ext4_has_compat_features(sb) || in ext4_fill_super()
3322 ext4_has_ro_compat_features(sb) || in ext4_fill_super()
3323 ext4_has_incompat_features(sb))) in ext4_fill_super()
3324 ext4_msg(sb, KERN_WARNING, in ext4_fill_super()
3329 set_opt2(sb, HURD_COMPAT); in ext4_fill_super()
3330 if (ext4_has_feature_64bit(sb)) { in ext4_fill_super()
3331 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3337 if (IS_EXT2_SB(sb)) { in ext4_fill_super()
3338 if (ext2_feature_set_ok(sb)) in ext4_fill_super()
3339 ext4_msg(sb, KERN_INFO, "mounting ext2 file system " in ext4_fill_super()
3342 ext4_msg(sb, KERN_ERR, "couldn't mount as ext2 due " in ext4_fill_super()
3348 if (IS_EXT3_SB(sb)) { in ext4_fill_super()
3349 if (ext3_feature_set_ok(sb)) in ext4_fill_super()
3350 ext4_msg(sb, KERN_INFO, "mounting ext3 file system " in ext4_fill_super()
3353 ext4_msg(sb, KERN_ERR, "couldn't mount as ext3 due " in ext4_fill_super()
3364 if (!ext4_feature_set_ok(sb, (sb->s_flags & MS_RDONLY))) in ext4_fill_super()
3370 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3377 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3381 if (!sb->s_bdev->bd_disk->fops->direct_access) { in ext4_fill_super()
3382 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3388 if (ext4_has_feature_encrypt(sb) && es->s_encryption_level) { in ext4_fill_super()
3389 ext4_msg(sb, KERN_ERR, "Unsupported encryption level %d", in ext4_fill_super()
3394 if (sb->s_blocksize != blocksize) { in ext4_fill_super()
3396 if (!sb_set_blocksize(sb, blocksize)) { in ext4_fill_super()
3397 ext4_msg(sb, KERN_ERR, "bad block size %d", in ext4_fill_super()
3405 bh = sb_bread_unmovable(sb, logical_sb_block); in ext4_fill_super()
3407 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3414 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3420 has_huge_files = ext4_has_feature_huge_file(sb); in ext4_fill_super()
3421 sbi->s_bitmap_maxbytes = ext4_max_bitmap_size(sb->s_blocksize_bits, in ext4_fill_super()
3423 sb->s_maxbytes = ext4_max_size(sb->s_blocksize_bits, has_huge_files); in ext4_fill_super()
3434 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3440 sb->s_time_gran = 1 << (EXT4_EPOCH_BITS - 2); in ext4_fill_super()
3444 if (ext4_has_feature_64bit(sb)) { in ext4_fill_super()
3448 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3458 if (EXT4_INODE_SIZE(sb) == 0 || EXT4_INODES_PER_GROUP(sb) == 0) in ext4_fill_super()
3461 sbi->s_inodes_per_block = blocksize / EXT4_INODE_SIZE(sb); in ext4_fill_super()
3466 sbi->s_desc_per_block = blocksize / EXT4_DESC_SIZE(sb); in ext4_fill_super()
3469 sbi->s_addr_per_block_bits = ilog2(EXT4_ADDR_PER_BLOCK(sb)); in ext4_fill_super()
3470 sbi->s_desc_per_block_bits = ilog2(EXT4_DESC_PER_BLOCK(sb)); in ext4_fill_super()
3475 if (ext4_has_feature_dir_index(sb)) { in ext4_fill_super()
3481 if (!(sb->s_flags & MS_RDONLY)) in ext4_fill_super()
3486 if (!(sb->s_flags & MS_RDONLY)) in ext4_fill_super()
3495 has_bigalloc = ext4_has_feature_bigalloc(sb); in ext4_fill_super()
3498 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3508 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3515 ext4_msg(sb, KERN_ERR, "blocks per group (%lu) and " in ext4_fill_super()
3523 ext4_warning(sb, "fragment/cluster size (%d) != " in ext4_fill_super()
3529 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3540 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3548 set_opt2(sb, STD_GROUP_SIZE); in ext4_fill_super()
3554 err = generic_check_addressable(sb->s_blocksize_bits, in ext4_fill_super()
3557 ext4_msg(sb, KERN_ERR, "filesystem" in ext4_fill_super()
3560 ext4_msg(sb, KERN_WARNING, "CONFIG_LBDAF not enabled"); in ext4_fill_super()
3564 if (EXT4_BLOCKS_PER_GROUP(sb) == 0) in ext4_fill_super()
3568 blocks_count = sb->s_bdev->bd_inode->i_size >> sb->s_blocksize_bits; in ext4_fill_super()
3570 ext4_msg(sb, KERN_WARNING, "bad geometry: block count %llu " in ext4_fill_super()
3581 ext4_msg(sb, KERN_WARNING, "bad geometry: first data " in ext4_fill_super()
3589 EXT4_BLOCKS_PER_GROUP(sb) - 1); in ext4_fill_super()
3590 do_div(blocks_count, EXT4_BLOCKS_PER_GROUP(sb)); in ext4_fill_super()
3591 if (blocks_count > ((uint64_t)1<<32) - EXT4_DESC_PER_BLOCK(sb)) { in ext4_fill_super()
3592 ext4_msg(sb, KERN_WARNING, "groups count too large: %u " in ext4_fill_super()
3597 EXT4_BLOCKS_PER_GROUP(sb)); in ext4_fill_super()
3602 (EXT4_MAX_BLOCK_FILE_PHYS / EXT4_BLOCKS_PER_GROUP(sb))); in ext4_fill_super()
3603 db_count = (sbi->s_groups_count + EXT4_DESC_PER_BLOCK(sb) - 1) / in ext4_fill_super()
3604 EXT4_DESC_PER_BLOCK(sb); in ext4_fill_super()
3609 ext4_msg(sb, KERN_ERR, "not enough memory"); in ext4_fill_super()
3617 block = descriptor_loc(sb, logical_sb_block, i); in ext4_fill_super()
3618 sbi->s_group_desc[i] = sb_bread_unmovable(sb, block); in ext4_fill_super()
3620 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3626 if (!ext4_check_descriptors(sb, &first_not_zeroed)) { in ext4_fill_super()
3627 ext4_msg(sb, KERN_ERR, "group descriptors corrupted!"); in ext4_fill_super()
3637 (unsigned long) sb); in ext4_fill_super()
3649 sb->s_op = &ext4_sops; in ext4_fill_super()
3650 sb->s_export_op = &ext4_export_ops; in ext4_fill_super()
3651 sb->s_xattr = ext4_xattr_handlers; in ext4_fill_super()
3653 sb->dq_op = &ext4_quota_operations; in ext4_fill_super()
3654 if (ext4_has_feature_quota(sb)) in ext4_fill_super()
3655 sb->s_qcop = &dquot_quotactl_sysfile_ops; in ext4_fill_super()
3657 sb->s_qcop = &ext4_qctl_operations; in ext4_fill_super()
3658 sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP; in ext4_fill_super()
3660 memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid)); in ext4_fill_super()
3665 sb->s_root = NULL; in ext4_fill_super()
3668 ext4_has_feature_journal_needs_recovery(sb)); in ext4_fill_super()
3670 if (ext4_has_feature_mmp(sb) && !(sb->s_flags & MS_RDONLY)) in ext4_fill_super()
3671 if (ext4_multi_mount_protect(sb, le64_to_cpu(es->s_mmp_block))) in ext4_fill_super()
3678 if (!test_opt(sb, NOLOAD) && ext4_has_feature_journal(sb)) { in ext4_fill_super()
3679 if (ext4_load_journal(sb, es, journal_devnum)) in ext4_fill_super()
3681 } else if (test_opt(sb, NOLOAD) && !(sb->s_flags & MS_RDONLY) && in ext4_fill_super()
3682 ext4_has_feature_journal_needs_recovery(sb)) { in ext4_fill_super()
3683 ext4_msg(sb, KERN_ERR, "required journal recovery " in ext4_fill_super()
3688 if (test_opt2(sb, EXPLICIT_JOURNAL_CHECKSUM)) { in ext4_fill_super()
3689 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3693 if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) { in ext4_fill_super()
3694 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3699 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3706 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_fill_super()
3711 clear_opt(sb, JOURNAL_CHECKSUM); in ext4_fill_super()
3712 clear_opt(sb, DATA_FLAGS); in ext4_fill_super()
3718 if (ext4_has_feature_64bit(sb) && in ext4_fill_super()
3719 !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0, in ext4_fill_super()
3721 ext4_msg(sb, KERN_ERR, "Failed to set 64-bit journal feature"); in ext4_fill_super()
3725 if (!set_journal_csum_feature_set(sb)) { in ext4_fill_super()
3726 ext4_msg(sb, KERN_ERR, "Failed to set journal checksum " in ext4_fill_super()
3733 switch (test_opt(sb, DATA_FLAGS)) { in ext4_fill_super()
3741 set_opt(sb, ORDERED_DATA); in ext4_fill_super()
3743 set_opt(sb, JOURNAL_DATA); in ext4_fill_super()
3750 ext4_msg(sb, KERN_ERR, "Journal does not support " in ext4_fill_super()
3763 sbi->s_mb_cache = ext4_xattr_create_cache(sb->s_id); in ext4_fill_super()
3765 ext4_msg(sb, KERN_ERR, "Failed to create an mb_cache"); in ext4_fill_super()
3770 if ((DUMMY_ENCRYPTION_ENABLED(sbi) || ext4_has_feature_encrypt(sb)) && in ext4_fill_super()
3772 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3777 if (DUMMY_ENCRYPTION_ENABLED(sbi) && !(sb->s_flags & MS_RDONLY) && in ext4_fill_super()
3778 !ext4_has_feature_encrypt(sb)) { in ext4_fill_super()
3779 ext4_set_feature_encrypt(sb); in ext4_fill_super()
3780 ext4_commit_super(sb, 1); in ext4_fill_super()
3790 err = ext4_calculate_overhead(sb); in ext4_fill_super()
3799 EXT4_SB(sb)->rsv_conversion_wq = in ext4_fill_super()
3801 if (!EXT4_SB(sb)->rsv_conversion_wq) { in ext4_fill_super()
3812 root = ext4_iget(sb, EXT4_ROOT_INO); in ext4_fill_super()
3814 ext4_msg(sb, KERN_ERR, "get root inode failed"); in ext4_fill_super()
3820 ext4_msg(sb, KERN_ERR, "corrupt root inode, run e2fsck"); in ext4_fill_super()
3824 sb->s_root = d_make_root(root); in ext4_fill_super()
3825 if (!sb->s_root) { in ext4_fill_super()
3826 ext4_msg(sb, KERN_ERR, "get root dentry failed"); in ext4_fill_super()
3831 if (ext4_setup_super(sb, es, sb->s_flags & MS_RDONLY)) in ext4_fill_super()
3832 sb->s_flags |= MS_RDONLY; in ext4_fill_super()
3838 if (ext4_has_feature_extra_isize(sb)) { in ext4_fill_super()
3854 ext4_msg(sb, KERN_INFO, "required extra inode space not" in ext4_fill_super()
3858 ext4_set_resv_clusters(sb); in ext4_fill_super()
3860 err = ext4_setup_system_zone(sb); in ext4_fill_super()
3862 ext4_msg(sb, KERN_ERR, "failed to initialize system " in ext4_fill_super()
3867 ext4_ext_init(sb); in ext4_fill_super()
3868 err = ext4_mb_init(sb); in ext4_fill_super()
3870 ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)", in ext4_fill_super()
3875 block = ext4_count_free_clusters(sb); in ext4_fill_super()
3881 unsigned long freei = ext4_count_free_inodes(sb); in ext4_fill_super()
3888 ext4_count_dirs(sb), GFP_KERNEL); in ext4_fill_super()
3893 ext4_msg(sb, KERN_ERR, "insufficient memory"); in ext4_fill_super()
3897 if (ext4_has_feature_flex_bg(sb)) in ext4_fill_super()
3898 if (!ext4_fill_flex_info(sb)) { in ext4_fill_super()
3899 ext4_msg(sb, KERN_ERR, in ext4_fill_super()
3905 err = ext4_register_li_request(sb, first_not_zeroed); in ext4_fill_super()
3909 err = ext4_register_sysfs(sb); in ext4_fill_super()
3915 if (ext4_has_feature_quota(sb) && !(sb->s_flags & MS_RDONLY)) { in ext4_fill_super()
3916 err = ext4_enable_quotas(sb); in ext4_fill_super()
3922 EXT4_SB(sb)->s_mount_state |= EXT4_ORPHAN_FS; in ext4_fill_super()
3923 ext4_orphan_cleanup(sb, es); in ext4_fill_super()
3924 EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS; in ext4_fill_super()
3926 ext4_msg(sb, KERN_INFO, "recovery complete"); in ext4_fill_super()
3927 ext4_mark_recovery_complete(sb, es); in ext4_fill_super()
3929 if (EXT4_SB(sb)->s_journal) { in ext4_fill_super()
3930 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) in ext4_fill_super()
3932 else if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA) in ext4_fill_super()
3939 if (test_opt(sb, DISCARD)) { in ext4_fill_super()
3940 struct request_queue *q = bdev_get_queue(sb->s_bdev); in ext4_fill_super()
3942 ext4_msg(sb, KERN_WARNING, in ext4_fill_super()
3948 ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. " in ext4_fill_super()
3965 ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem"); in ext4_fill_super()
3970 ext4_unregister_sysfs(sb); in ext4_fill_super()
3973 ext4_unregister_li_request(sb); in ext4_fill_super()
3975 ext4_mb_release(sb); in ext4_fill_super()
3983 ext4_ext_release(sb); in ext4_fill_super()
3984 ext4_release_system_zone(sb); in ext4_fill_super()
3986 dput(sb->s_root); in ext4_fill_super()
3987 sb->s_root = NULL; in ext4_fill_super()
3989 ext4_msg(sb, KERN_ERR, "mount failed"); in ext4_fill_super()
3990 if (EXT4_SB(sb)->rsv_conversion_wq) in ext4_fill_super()
3991 destroy_workqueue(EXT4_SB(sb)->rsv_conversion_wq); in ext4_fill_super()
4017 sb->s_fs_info = NULL; in ext4_fill_super()
4030 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal) in ext4_init_journal_params() argument
4032 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_init_journal_params()
4039 if (test_opt(sb, BARRIER)) in ext4_init_journal_params()
4043 if (test_opt(sb, DATA_ERR_ABORT)) in ext4_init_journal_params()
4050 static journal_t *ext4_get_journal(struct super_block *sb, in ext4_get_journal() argument
4056 BUG_ON(!ext4_has_feature_journal(sb)); in ext4_get_journal()
4062 journal_inode = ext4_iget(sb, journal_inum); in ext4_get_journal()
4064 ext4_msg(sb, KERN_ERR, "no journal found"); in ext4_get_journal()
4070 ext4_msg(sb, KERN_ERR, "journal inode is deleted"); in ext4_get_journal()
4077 ext4_msg(sb, KERN_ERR, "invalid journal inode"); in ext4_get_journal()
4084 ext4_msg(sb, KERN_ERR, "Could not load journal inode"); in ext4_get_journal()
4088 journal->j_private = sb; in ext4_get_journal()
4089 ext4_init_journal_params(sb, journal); in ext4_get_journal()
4093 static journal_t *ext4_get_dev_journal(struct super_block *sb, in ext4_get_dev_journal() argument
4106 BUG_ON(!ext4_has_feature_journal(sb)); in ext4_get_dev_journal()
4108 bdev = ext4_blkdev_get(j_dev, sb); in ext4_get_dev_journal()
4112 blocksize = sb->s_blocksize; in ext4_get_dev_journal()
4115 ext4_msg(sb, KERN_ERR, in ext4_get_dev_journal()
4124 ext4_msg(sb, KERN_ERR, "couldn't read superblock of " in ext4_get_dev_journal()
4133 ext4_msg(sb, KERN_ERR, "external journal has " in ext4_get_dev_journal()
4141 es->s_checksum != ext4_superblock_csum(sb, es)) { in ext4_get_dev_journal()
4142 ext4_msg(sb, KERN_ERR, "external journal has " in ext4_get_dev_journal()
4148 if (memcmp(EXT4_SB(sb)->s_es->s_journal_uuid, es->s_uuid, 16)) { in ext4_get_dev_journal()
4149 ext4_msg(sb, KERN_ERR, "journal UUID does not match"); in ext4_get_dev_journal()
4158 journal = jbd2_journal_init_dev(bdev, sb->s_bdev, in ext4_get_dev_journal()
4161 ext4_msg(sb, KERN_ERR, "failed to create device journal"); in ext4_get_dev_journal()
4164 journal->j_private = sb; in ext4_get_dev_journal()
4168 ext4_msg(sb, KERN_ERR, "I/O error on journal device"); in ext4_get_dev_journal()
4172 ext4_msg(sb, KERN_ERR, "External journal has more than one " in ext4_get_dev_journal()
4177 EXT4_SB(sb)->journal_bdev = bdev; in ext4_get_dev_journal()
4178 ext4_init_journal_params(sb, journal); in ext4_get_dev_journal()
4188 static int ext4_load_journal(struct super_block *sb, in ext4_load_journal() argument
4198 BUG_ON(!ext4_has_feature_journal(sb)); in ext4_load_journal()
4202 ext4_msg(sb, KERN_INFO, "external journal device major/minor " in ext4_load_journal()
4208 really_read_only = bdev_read_only(sb->s_bdev); in ext4_load_journal()
4215 if (ext4_has_feature_journal_needs_recovery(sb)) { in ext4_load_journal()
4216 if (sb->s_flags & MS_RDONLY) { in ext4_load_journal()
4217 ext4_msg(sb, KERN_INFO, "INFO: recovery " in ext4_load_journal()
4220 ext4_msg(sb, KERN_ERR, "write access " in ext4_load_journal()
4224 ext4_msg(sb, KERN_INFO, "write access will " in ext4_load_journal()
4230 ext4_msg(sb, KERN_ERR, "filesystem has both journal " in ext4_load_journal()
4236 if (!(journal = ext4_get_journal(sb, journal_inum))) in ext4_load_journal()
4239 if (!(journal = ext4_get_dev_journal(sb, journal_dev))) in ext4_load_journal()
4244 ext4_msg(sb, KERN_INFO, "barriers disabled"); in ext4_load_journal()
4246 if (!ext4_has_feature_journal_needs_recovery(sb)) in ext4_load_journal()
4261 ext4_msg(sb, KERN_ERR, "error loading journal"); in ext4_load_journal()
4266 EXT4_SB(sb)->s_journal = journal; in ext4_load_journal()
4267 ext4_clear_journal_err(sb, es); in ext4_load_journal()
4274 ext4_commit_super(sb, 1); in ext4_load_journal()
4280 static int ext4_commit_super(struct super_block *sb, int sync) in ext4_commit_super() argument
4282 struct ext4_super_block *es = EXT4_SB(sb)->s_es; in ext4_commit_super()
4283 struct buffer_head *sbh = EXT4_SB(sb)->s_sbh; in ext4_commit_super()
4286 if (!sbh || block_device_ejected(sb)) in ext4_commit_super()
4297 ext4_msg(sb, KERN_ERR, "previous I/O error to " in ext4_commit_super()
4312 if (!(sb->s_flags & MS_RDONLY)) in ext4_commit_super()
4314 if (sb->s_bdev->bd_part) in ext4_commit_super()
4316 cpu_to_le64(EXT4_SB(sb)->s_kbytes_written + in ext4_commit_super()
4317 ((part_stat_read(sb->s_bdev->bd_part, sectors[1]) - in ext4_commit_super()
4318 EXT4_SB(sb)->s_sectors_written_start) >> 1)); in ext4_commit_super()
4321 cpu_to_le64(EXT4_SB(sb)->s_kbytes_written); in ext4_commit_super()
4322 if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeclusters_counter)) in ext4_commit_super()
4324 EXT4_C2B(EXT4_SB(sb), percpu_counter_sum_positive( in ext4_commit_super()
4325 &EXT4_SB(sb)->s_freeclusters_counter))); in ext4_commit_super()
4326 if (percpu_counter_initialized(&EXT4_SB(sb)->s_freeinodes_counter)) in ext4_commit_super()
4329 &EXT4_SB(sb)->s_freeinodes_counter)); in ext4_commit_super()
4331 ext4_superblock_csum_set(sb); in ext4_commit_super()
4335 test_opt(sb, BARRIER) ? WRITE_FUA : WRITE_SYNC); in ext4_commit_super()
4341 ext4_msg(sb, KERN_ERR, "I/O error while writing " in ext4_commit_super()
4355 static void ext4_mark_recovery_complete(struct super_block *sb, in ext4_mark_recovery_complete() argument
4358 journal_t *journal = EXT4_SB(sb)->s_journal; in ext4_mark_recovery_complete()
4360 if (!ext4_has_feature_journal(sb)) { in ext4_mark_recovery_complete()
4368 if (ext4_has_feature_journal_needs_recovery(sb) && in ext4_mark_recovery_complete()
4369 sb->s_flags & MS_RDONLY) { in ext4_mark_recovery_complete()
4370 ext4_clear_feature_journal_needs_recovery(sb); in ext4_mark_recovery_complete()
4371 ext4_commit_super(sb, 1); in ext4_mark_recovery_complete()
4383 static void ext4_clear_journal_err(struct super_block *sb, in ext4_clear_journal_err() argument
4390 BUG_ON(!ext4_has_feature_journal(sb)); in ext4_clear_journal_err()
4392 journal = EXT4_SB(sb)->s_journal; in ext4_clear_journal_err()
4403 errstr = ext4_decode_error(sb, j_errno, nbuf); in ext4_clear_journal_err()
4404 ext4_warning(sb, "Filesystem error recorded " in ext4_clear_journal_err()
4406 ext4_warning(sb, "Marking fs in need of filesystem check."); in ext4_clear_journal_err()
4408 EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS; in ext4_clear_journal_err()
4410 ext4_commit_super(sb, 1); in ext4_clear_journal_err()
4421 int ext4_force_commit(struct super_block *sb) in ext4_force_commit() argument
4425 if (sb->s_flags & MS_RDONLY) in ext4_force_commit()
4428 journal = EXT4_SB(sb)->s_journal; in ext4_force_commit()
4432 static int ext4_sync_fs(struct super_block *sb, int wait) in ext4_sync_fs() argument
4437 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_sync_fs()
4439 trace_ext4_sync_fs(sb, wait); in ext4_sync_fs()
4445 dquot_writeback_dquots(sb, -1); in ext4_sync_fs()
4462 } else if (wait && test_opt(sb, BARRIER)) in ext4_sync_fs()
4466 err = blkdev_issue_flush(sb->s_bdev, GFP_KERNEL, NULL); in ext4_sync_fs()
4482 static int ext4_freeze(struct super_block *sb) in ext4_freeze() argument
4487 if (sb->s_flags & MS_RDONLY) in ext4_freeze()
4490 journal = EXT4_SB(sb)->s_journal; in ext4_freeze()
4505 ext4_clear_feature_journal_needs_recovery(sb); in ext4_freeze()
4508 error = ext4_commit_super(sb, 1); in ext4_freeze()
4520 static int ext4_unfreeze(struct super_block *sb) in ext4_unfreeze() argument
4522 if (sb->s_flags & MS_RDONLY) in ext4_unfreeze()
4525 if (EXT4_SB(sb)->s_journal) { in ext4_unfreeze()
4527 ext4_set_feature_journal_needs_recovery(sb); in ext4_unfreeze()
4530 ext4_commit_super(sb, 1); in ext4_unfreeze()
4550 static int ext4_remount(struct super_block *sb, int *flags, char *data) in ext4_remount() argument
4553 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_remount()
4566 old_sb_flags = sb->s_flags; in ext4_remount()
4592 if (!parse_options(data, sb, NULL, &journal_ioprio, 1)) { in ext4_remount()
4598 test_opt(sb, JOURNAL_CHECKSUM)) { in ext4_remount()
4599 ext4_msg(sb, KERN_ERR, "changing journal_checksum " in ext4_remount()
4604 if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) { in ext4_remount()
4605 if (test_opt2(sb, EXPLICIT_DELALLOC)) { in ext4_remount()
4606 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_remount()
4611 if (test_opt(sb, DIOREAD_NOLOCK)) { in ext4_remount()
4612 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_remount()
4617 if (test_opt(sb, DAX)) { in ext4_remount()
4618 ext4_msg(sb, KERN_ERR, "can't mount with " in ext4_remount()
4626 ext4_msg(sb, KERN_WARNING, "warning: refusing change of " in ext4_remount()
4632 ext4_abort(sb, "Abort forced by user"); in ext4_remount()
4634 sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | in ext4_remount()
4635 (test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0); in ext4_remount()
4640 ext4_init_journal_params(sb, sbi->s_journal); in ext4_remount()
4645 sb->s_flags |= MS_LAZYTIME; in ext4_remount()
4647 if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY)) { in ext4_remount()
4654 err = sync_filesystem(sb); in ext4_remount()
4657 err = dquot_suspend(sb, -1); in ext4_remount()
4665 sb->s_flags |= MS_RDONLY; in ext4_remount()
4677 ext4_mark_recovery_complete(sb, es); in ext4_remount()
4680 if (ext4_has_feature_readonly(sb) || in ext4_remount()
4681 !ext4_feature_set_ok(sb, 0)) { in ext4_remount()
4691 ext4_get_group_desc(sb, g, NULL); in ext4_remount()
4693 if (!ext4_group_desc_csum_verify(sb, g, gdp)) { in ext4_remount()
4694 ext4_msg(sb, KERN_ERR, in ext4_remount()
4696 g, le16_to_cpu(ext4_group_desc_csum(sb, g, gdp)), in ext4_remount()
4709 ext4_msg(sb, KERN_WARNING, "Couldn't " in ext4_remount()
4724 ext4_clear_journal_err(sb, es); in ext4_remount()
4726 if (!ext4_setup_super(sb, es, 0)) in ext4_remount()
4727 sb->s_flags &= ~MS_RDONLY; in ext4_remount()
4728 if (ext4_has_feature_mmp(sb)) in ext4_remount()
4729 if (ext4_multi_mount_protect(sb, in ext4_remount()
4742 if ((sb->s_flags & MS_RDONLY) || !test_opt(sb, INIT_INODE_TABLE)) in ext4_remount()
4743 ext4_unregister_li_request(sb); in ext4_remount()
4746 first_not_zeroed = ext4_has_uninit_itable(sb); in ext4_remount()
4747 ext4_register_li_request(sb, first_not_zeroed); in ext4_remount()
4750 ext4_setup_system_zone(sb); in ext4_remount()
4752 ext4_commit_super(sb, 1); in ext4_remount()
4759 if (sb_any_quota_suspended(sb)) in ext4_remount()
4760 dquot_resume(sb, -1); in ext4_remount()
4761 else if (ext4_has_feature_quota(sb)) { in ext4_remount()
4762 err = ext4_enable_quotas(sb); in ext4_remount()
4769 *flags = (*flags & ~MS_LAZYTIME) | (sb->s_flags & MS_LAZYTIME); in ext4_remount()
4770 ext4_msg(sb, KERN_INFO, "re-mounted. Opts: %s", orig_data); in ext4_remount()
4775 sb->s_flags = old_sb_flags; in ext4_remount()
4796 struct super_block *sb = dentry->d_sb; in ext4_statfs() local
4797 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_statfs()
4804 if (!test_opt(sb, MINIX_DF)) in ext4_statfs()
4808 buf->f_bsize = sb->s_blocksize; in ext4_statfs()
4901 struct super_block *sb = dquot->dq_sb; in ext4_mark_dquot_dirty() local
4902 struct ext4_sb_info *sbi = EXT4_SB(sb); in ext4_mark_dquot_dirty()
4905 if (ext4_has_feature_quota(sb) || in ext4_mark_dquot_dirty()
4914 static int ext4_write_info(struct super_block *sb, int type) in ext4_write_info() argument
4920 handle = ext4_journal_start(d_inode(sb->s_root), EXT4_HT_QUOTA, 2); in ext4_write_info()
4923 ret = dquot_commit_info(sb, type); in ext4_write_info()
4934 static int ext4_quota_on_mount(struct super_block *sb, int type) in ext4_quota_on_mount() argument
4936 return dquot_quota_on_mount(sb, EXT4_SB(sb)->s_qf_names[type], in ext4_quota_on_mount()
4937 EXT4_SB(sb)->s_jquota_fmt, type); in ext4_quota_on_mount()
4957 static int ext4_quota_on(struct super_block *sb, int type, int format_id, in ext4_quota_on() argument
4962 if (!test_opt(sb, QUOTA)) in ext4_quota_on()
4966 if (path->dentry->d_sb != sb) in ext4_quota_on()
4969 if (EXT4_SB(sb)->s_qf_names[type]) { in ext4_quota_on()
4971 if (path->dentry->d_parent != sb->s_root) in ext4_quota_on()
4972 ext4_msg(sb, KERN_WARNING, in ext4_quota_on()
4981 if (EXT4_SB(sb)->s_journal && in ext4_quota_on()
4987 jbd2_journal_lock_updates(EXT4_SB(sb)->s_journal); in ext4_quota_on()
4988 err = jbd2_journal_flush(EXT4_SB(sb)->s_journal); in ext4_quota_on()
4989 jbd2_journal_unlock_updates(EXT4_SB(sb)->s_journal); in ext4_quota_on()
4994 err = dquot_quota_on(sb, type, format_id, path); in ext4_quota_on()
5001 static int ext4_quota_enable(struct super_block *sb, int type, int format_id, in ext4_quota_enable() argument
5007 le32_to_cpu(EXT4_SB(sb)->s_es->s_usr_quota_inum), in ext4_quota_enable()
5008 le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum) in ext4_quota_enable()
5011 BUG_ON(!ext4_has_feature_quota(sb)); in ext4_quota_enable()
5016 qf_inode = ext4_iget(sb, qf_inums[type]); in ext4_quota_enable()
5018 ext4_error(sb, "Bad quota inode # %lu", qf_inums[type]); in ext4_quota_enable()
5034 static int ext4_enable_quotas(struct super_block *sb) in ext4_enable_quotas() argument
5038 le32_to_cpu(EXT4_SB(sb)->s_es->s_usr_quota_inum), in ext4_enable_quotas()
5039 le32_to_cpu(EXT4_SB(sb)->s_es->s_grp_quota_inum) in ext4_enable_quotas()
5042 sb_dqopt(sb)->flags |= DQUOT_QUOTA_SYS_FILE; in ext4_enable_quotas()
5045 err = ext4_quota_enable(sb, type, QFMT_VFS_V1, in ext4_enable_quotas()
5048 ext4_warning(sb, in ext4_enable_quotas()
5059 static int ext4_quota_off(struct super_block *sb, int type) in ext4_quota_off() argument
5061 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_off()
5066 if (test_opt(sb, DELALLOC)) in ext4_quota_off()
5067 sync_filesystem(sb); in ext4_quota_off()
5082 return dquot_quota_off(sb, type); in ext4_quota_off()
5089 static ssize_t ext4_quota_read(struct super_block *sb, int type, char *data, in ext4_quota_read() argument
5092 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_read()
5093 ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb); in ext4_quota_read()
5094 int offset = off & (sb->s_blocksize - 1); in ext4_quota_read()
5106 tocopy = sb->s_blocksize - offset < toread ? in ext4_quota_read()
5107 sb->s_blocksize - offset : toread; in ext4_quota_read()
5126 static ssize_t ext4_quota_write(struct super_block *sb, int type, in ext4_quota_write() argument
5129 struct inode *inode = sb_dqopt(sb)->files[type]; in ext4_quota_write()
5130 ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb); in ext4_quota_write()
5131 int err, offset = off & (sb->s_blocksize - 1); in ext4_quota_write()
5136 if (EXT4_SB(sb)->s_journal && !handle) { in ext4_quota_write()
5137 ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" in ext4_quota_write()
5146 if (sb->s_blocksize - offset < len) { in ext4_quota_write()
5147 ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)" in ext4_quota_write()
5206 static inline int ext2_feature_set_ok(struct super_block *sb) in ext2_feature_set_ok() argument
5208 if (ext4_has_unknown_ext2_incompat_features(sb)) in ext2_feature_set_ok()
5210 if (sb->s_flags & MS_RDONLY) in ext2_feature_set_ok()
5212 if (ext4_has_unknown_ext2_ro_compat_features(sb)) in ext2_feature_set_ok()
5219 static inline int ext2_feature_set_ok(struct super_block *sb) { return 0; } in ext2_feature_set_ok() argument
5235 static inline int ext3_feature_set_ok(struct super_block *sb) in ext3_feature_set_ok() argument
5237 if (ext4_has_unknown_ext3_incompat_features(sb)) in ext3_feature_set_ok()
5239 if (!ext4_has_feature_journal(sb)) in ext3_feature_set_ok()
5241 if (sb->s_flags & MS_RDONLY) in ext3_feature_set_ok()
5243 if (ext4_has_unknown_ext3_ro_compat_features(sb)) in ext3_feature_set_ok()