28 static inline unsigned int ol_quota_entries_per_block(struct super_block *sb)  in ol_quota_entries_per_block()  argument
30 	return ((sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE) /  in ol_quota_entries_per_block()
35 static inline unsigned int ol_chunk_blocks(struct super_block *sb)  in ol_chunk_blocks()  argument
37 	return ((sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) -  in ol_chunk_blocks()
39 	       ol_quota_entries_per_block(sb);  in ol_chunk_blocks()
43 static unsigned int ol_chunk_entries(struct super_block *sb)  in ol_chunk_entries()  argument
45 	return ol_chunk_blocks(sb) * ol_quota_entries_per_block(sb);  in ol_chunk_entries()
49 static unsigned int ol_quota_chunk_block(struct super_block *sb, int c)  in ol_quota_chunk_block()  argument
52 	return 1 + (ol_chunk_blocks(sb) + 1) * c;  in ol_quota_chunk_block()
55 static unsigned int ol_dqblk_block(struct super_block *sb, int c, int off)  in ol_dqblk_block()  argument
57 	int epb = ol_quota_entries_per_block(sb);  in ol_dqblk_block()
59 	return ol_quota_chunk_block(sb, c) + 1 + off / epb;  in ol_dqblk_block()
62 static unsigned int ol_dqblk_block_off(struct super_block *sb, int c, int off)  in ol_dqblk_block_off()  argument
64 	int epb = ol_quota_entries_per_block(sb);  in ol_dqblk_block_off()
70 static loff_t ol_dqblk_off(struct super_block *sb, int c, int off)  in ol_dqblk_off()  argument
72 	return (ol_dqblk_block(sb, c, off) << sb->s_blocksize_bits) +  in ol_dqblk_off()
73 	       ol_dqblk_block_off(sb, c, off);  in ol_dqblk_off()
76 static inline unsigned int ol_dqblk_block_offset(struct super_block *sb, loff_t off)  in ol_dqblk_block_offset()  argument
78 	return off & ((1 << sb->s_blocksize_bits) - 1);  in ol_dqblk_block_offset()
82 static int ol_dqblk_chunk_off(struct super_block *sb, int c, loff_t off)  in ol_dqblk_chunk_off()  argument
84 	int epb = ol_quota_entries_per_block(sb);  in ol_dqblk_chunk_off()
86 	return ((off >> sb->s_blocksize_bits) -  in ol_dqblk_chunk_off()
87 			ol_quota_chunk_block(sb, c) - 1) * epb  in ol_dqblk_chunk_off()
88 	       + ((unsigned int)(off & ((1 << sb->s_blocksize_bits) - 1))) /  in ol_dqblk_chunk_off()
96 	struct super_block *sb = inode->i_sb;  in ocfs2_modify_bh()  local
100 	handle = ocfs2_start_trans(OCFS2_SB(sb),  in ocfs2_modify_bh()
111 		ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_modify_bh()
119 	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_modify_bh()
161 static int ocfs2_local_check_quota_file(struct super_block *sb, int type)  in ocfs2_local_check_quota_file()  argument
170 	struct inode *linode = sb_dqopt(sb)->files[type];  in ocfs2_local_check_quota_file()
200 	ginode = ocfs2_get_system_file_inode(OCFS2_SB(sb), ino[type],  in ocfs2_local_check_quota_file()
295 static int ocfs2_add_recovery_chunk(struct super_block *sb,  in ocfs2_add_recovery_chunk()  argument
306 	rc->rc_bitmap = kmalloc(sb->s_blocksize, GFP_NOFS);  in ocfs2_add_recovery_chunk()
312 	       (ol_chunk_entries(sb) + 7) >> 3);  in ocfs2_add_recovery_chunk()
344 	struct super_block *sb = lqinode->i_sb;  in ocfs2_recovery_load_quota()  local
353 						ol_quota_chunk_block(sb, i),  in ocfs2_recovery_load_quota()
360 		if (le32_to_cpu(dchunk->dqc_free) < ol_chunk_entries(sb))  in ocfs2_recovery_load_quota()
361 			status = ocfs2_add_recovery_chunk(sb, dchunk, i, head);  in ocfs2_recovery_load_quota()
394 	struct super_block *sb = osb->sb;  in ocfs2_begin_quota_recovery()  local
411 		if (!OCFS2_HAS_RO_COMPAT_FEATURE(sb, feature[type]))  in ocfs2_begin_quota_recovery()
463 	struct super_block *sb = lqinode->i_sb;  in ocfs2_recover_local_quota_file()  local
464 	struct ocfs2_mem_dqinfo *oinfo = sb_dqinfo(sb, type)->dqi_priv;  in ocfs2_recover_local_quota_file()
481 						ol_quota_chunk_block(sb, chunk),  in ocfs2_recover_local_quota_file()
488 		for_each_set_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) {  in ocfs2_recover_local_quota_file()
491 						ol_dqblk_block(sb, chunk, bit),  in ocfs2_recover_local_quota_file()
498 				ol_dqblk_block_off(sb, chunk, bit));  in ocfs2_recover_local_quota_file()
499 			dquot = dqget(sb,  in ocfs2_recover_local_quota_file()
517 			handle = ocfs2_start_trans(OCFS2_SB(sb),  in ocfs2_recover_local_quota_file()
524 			mutex_lock(&sb_dqopt(sb)->dqio_mutex);  in ocfs2_recover_local_quota_file()
557 			mutex_unlock(&sb_dqopt(sb)->dqio_mutex);  in ocfs2_recover_local_quota_file()
558 			ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_recover_local_quota_file()
589 	struct super_block *sb = osb->sb;  in ocfs2_finish_quota_recovery()  local
601 	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);  in ocfs2_finish_quota_recovery()
678 	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);  in ocfs2_finish_quota_recovery()
684 static int ocfs2_local_read_info(struct super_block *sb, int type)  in ocfs2_local_read_info()  argument
687 	struct mem_dqinfo *info = sb_dqinfo(sb, type);  in ocfs2_local_read_info()
689 	struct inode *lqinode = sb_dqopt(sb)->files[type];  in ocfs2_local_read_info()
697 	mutex_unlock(&sb_dqopt(sb)->dqio_mutex);  in ocfs2_local_read_info()
713 	status = ocfs2_global_read_info(sb, type);  in ocfs2_local_read_info()
741 		rec = OCFS2_SB(sb)->quota_rec;  in ocfs2_local_read_info()
749 			OCFS2_SB(sb)->quota_rec = rec;  in ocfs2_local_read_info()
776 	mutex_lock(&sb_dqopt(sb)->dqio_mutex);  in ocfs2_local_read_info()
781 		ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock);  in ocfs2_local_read_info()
790 	mutex_lock(&sb_dqopt(sb)->dqio_mutex);  in ocfs2_local_read_info()
795 static int ocfs2_local_write_info(struct super_block *sb, int type)  in ocfs2_local_write_info()  argument
797 	struct mem_dqinfo *info = sb_dqinfo(sb, type);  in ocfs2_local_write_info()
802 	status = ocfs2_modify_bh(sb_dqopt(sb)->files[type], bh, olq_update_info,  in ocfs2_local_write_info()
813 static int ocfs2_local_free_info(struct super_block *sb, int type)  in ocfs2_local_free_info()  argument
815 	struct mem_dqinfo *info = sb_dqinfo(sb, type);  in ocfs2_local_free_info()
823 	ocfs2_simple_drop_lockres(OCFS2_SB(sb), &oinfo->dqi_gqlock);  in ocfs2_local_free_info()
829 			len = ol_chunk_entries(sb);  in ocfs2_local_free_info()
832 			       ol_quota_chunk_block(sb, chunk->qc_num) - 1)  in ocfs2_local_free_info()
833 			      * ol_quota_entries_per_block(sb);  in ocfs2_local_free_info()
855 	status = ocfs2_modify_bh(sb_dqopt(sb)->files[type],  in ocfs2_local_free_info()
865 	ocfs2_inode_unlock(sb_dqopt(sb)->files[type], 1);  in ocfs2_local_free_info()
876 	struct super_block *sb = od->dq_dquot.dq_sb;  in olq_set_dquot()  local
879 		+ ol_dqblk_block_offset(sb, od->dq_local_off));  in olq_set_dquot()
898 	struct super_block *sb = dquot->dq_sb;  in ocfs2_local_write_dquot()  local
901 	struct inode *lqinode = sb_dqopt(sb)->files[dquot->dq_id.type];  in ocfs2_local_write_dquot()
921 static struct ocfs2_quota_chunk *ocfs2_find_free_entry(struct super_block *sb,  in ocfs2_find_free_entry()  argument
925 	struct mem_dqinfo *info = sb_dqinfo(sb, type);  in ocfs2_find_free_entry()
943 		len = ol_chunk_entries(sb);  in ocfs2_find_free_entry()
946 		       ol_quota_chunk_block(sb, chunk->qc_num) - 1)  in ocfs2_find_free_entry()
947 		      * ol_quota_entries_per_block(sb);  in ocfs2_find_free_entry()
964 							struct super_block *sb,  in ocfs2_local_quota_add_chunk()  argument
968 	struct mem_dqinfo *info = sb_dqinfo(sb, type);  in ocfs2_local_quota_add_chunk()
970 	struct inode *lqinode = sb_dqopt(sb)->files[type];  in ocfs2_local_quota_add_chunk()
980 				       i_size_read(lqinode) + 2 * sb->s_blocksize,  in ocfs2_local_quota_add_chunk()
987 					  i_size_read(lqinode) + 2 * sb->s_blocksize);  in ocfs2_local_quota_add_chunk()
1000 	handle = ocfs2_start_trans(OCFS2_SB(sb),  in ocfs2_local_quota_add_chunk()
1016 	bh = sb_getblk(sb, p_blkno);  in ocfs2_local_quota_add_chunk()
1031 	dchunk->dqc_free = cpu_to_le32(ol_quota_entries_per_block(sb));  in ocfs2_local_quota_add_chunk()
1033 	       sb->s_blocksize - sizeof(struct ocfs2_local_disk_chunk) -  in ocfs2_local_quota_add_chunk()
1045 	dbh = sb_getblk(sb, p_blkno);  in ocfs2_local_quota_add_chunk()
1059 	memset(dbh->b_data, 0, sb->s_blocksize - OCFS2_QBLK_RESERVED_SPACE);  in ocfs2_local_quota_add_chunk()
1066 	status = ocfs2_local_write_info(sb, type);  in ocfs2_local_quota_add_chunk()
1071 	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_local_quota_add_chunk()
1085 	ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_local_quota_add_chunk()
1095 						       struct super_block *sb,  in ocfs2_extend_local_quota_file()  argument
1099 	struct mem_dqinfo *info = sb_dqinfo(sb, type);  in ocfs2_extend_local_quota_file()
1102 	struct inode *lqinode = sb_dqopt(sb)->files[type];  in ocfs2_extend_local_quota_file()
1104 	int epb = ol_quota_entries_per_block(sb);  in ocfs2_extend_local_quota_file()
1112 		return ocfs2_local_quota_add_chunk(sb, type, offset);  in ocfs2_extend_local_quota_file()
1117 			ol_quota_chunk_block(sb, chunk->qc_num) - 1;  in ocfs2_extend_local_quota_file()
1118 	if (ol_chunk_blocks(sb) == chunk_blocks)  in ocfs2_extend_local_quota_file()
1119 		return ocfs2_local_quota_add_chunk(sb, type, offset);  in ocfs2_extend_local_quota_file()
1123 				       i_size_read(lqinode) + sb->s_blocksize,  in ocfs2_extend_local_quota_file()
1130 					  i_size_read(lqinode) + sb->s_blocksize);  in ocfs2_extend_local_quota_file()
1143 	bh = sb_getblk(sb, p_blkno);  in ocfs2_extend_local_quota_file()
1152 	handle = ocfs2_start_trans(OCFS2_SB(sb),  in ocfs2_extend_local_quota_file()
1168 	memset(bh->b_data, 0, sb->s_blocksize);  in ocfs2_extend_local_quota_file()
1183 	le32_add_cpu(&dchunk->dqc_free, ol_quota_entries_per_block(sb));  in ocfs2_extend_local_quota_file()
1189 	status = ocfs2_local_write_info(sb, type);  in ocfs2_extend_local_quota_file()
1195 	status = ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_extend_local_quota_file()
1203 	ocfs2_commit_trans(OCFS2_SB(sb), handle);  in ocfs2_extend_local_quota_file()
1221 	struct super_block *sb = dquot->dq_sb;  in ocfs2_create_local_dquot()  local
1223 	struct inode *lqinode = sb_dqopt(sb)->files[type];  in ocfs2_create_local_dquot()
1231 	chunk = ocfs2_find_free_entry(sb, type, &offset);  in ocfs2_create_local_dquot()
1233 		chunk = ocfs2_extend_local_quota_file(sb, type, &offset);  in ocfs2_create_local_dquot()
1242 	od->dq_local_off = ol_dqblk_off(sb, chunk->qc_num, offset);  in ocfs2_create_local_dquot()
1245 				     ol_dqblk_block(sb, chunk->qc_num, offset),  in ocfs2_create_local_dquot()
1278 	struct super_block *sb = dquot->dq_sb;  in ocfs2_local_release_dquot()  local
1283 			INODE_CACHE(sb_dqopt(sb)->files[type]),  in ocfs2_local_release_dquot()
1289 	offset = ol_dqblk_chunk_off(sb, od->dq_chunk->qc_num,  in ocfs2_local_release_dquot()