250 struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)  in gfs2_lookup_simple()  argument
255 	inode = gfs2_lookupi(dip, &qstr, 1);  in gfs2_lookup_simple()
287 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_lookupi()  local
303 	if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) {  in gfs2_lookupi()
304 		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);  in gfs2_lookupi()
336 static int create_ok(struct gfs2_inode *dip, const struct qstr *name,  in create_ok()  argument
341 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in create_ok()
346 	if (!dip->i_inode.i_nlink)  in create_ok()
349 	if (dip->i_entries == (u32)-1)  in create_ok()
351 	if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)  in create_ok()
357 static void munge_mode_uid_gid(const struct gfs2_inode *dip,  in munge_mode_uid_gid()  argument
360 	if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&  in munge_mode_uid_gid()
361 	    (dip->i_inode.i_mode & S_ISUID) &&  in munge_mode_uid_gid()
362 	    !uid_eq(dip->i_inode.i_uid, GLOBAL_ROOT_UID)) {  in munge_mode_uid_gid()
365 		else if (!uid_eq(dip->i_inode.i_uid, current_fsuid()))  in munge_mode_uid_gid()
367 		inode->i_uid = dip->i_inode.i_uid;  in munge_mode_uid_gid()
371 	if (dip->i_inode.i_mode & S_ISGID) {  in munge_mode_uid_gid()
374 		inode->i_gid = dip->i_inode.i_gid;  in munge_mode_uid_gid()
465 static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,  in init_dinode()  argument
487 		gfs2_init_dir(dibh, dip);  in init_dinode()
512 static unsigned gfs2_trans_da_blks(const struct gfs2_inode *dip,  in gfs2_trans_da_blks()  argument
516 	return da->nr_blocks + gfs2_rg_blocks(dip, da->nr_blocks) +  in gfs2_trans_da_blks()
520 static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,  in link_dinode()  argument
523 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in link_dinode()
528 		error = gfs2_quota_lock_check(dip, &ap);  in link_dinode()
532 		error = gfs2_inplace_reserve(dip, &ap);  in link_dinode()
536 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, da, 2), 0);  in link_dinode()
545 	error = gfs2_dir_add(&dip->i_inode, name, ip, da);  in link_dinode()
549 	gfs2_inplace_release(dip);  in link_dinode()
551 	gfs2_quota_unlock(dip);  in link_dinode()
593 	struct gfs2_inode *dip = GFS2_I(dir), *ip;  in gfs2_create_inode()  local
594 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in gfs2_create_inode()
604 	error = gfs2_rs_alloc(dip);  in gfs2_create_inode()
612 	error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_create_inode()
616 	error = create_ok(dip, name, mode);  in gfs2_create_inode()
666 	munge_mode_uid_gid(dip, inode);  in gfs2_create_inode()
667 	check_and_update_goal(dip);  in gfs2_create_inode()
668 	ip->i_goal = dip->i_goal;  in gfs2_create_inode()
677 		if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||  in gfs2_create_inode()
683 		ip->i_diskflags |= (dip->i_diskflags & GFS2_DIF_INHERIT_JDATA);  in gfs2_create_inode()
690 	if ((GFS2_I(d_inode(sdp->sd_root_dir)) == dip) ||  in gfs2_create_inode()
691 	    (dip->i_diskflags & GFS2_DIF_TOPDIR))  in gfs2_create_inode()
720 	init_dinode(dip, ip, symname);  in gfs2_create_inode()
749 	error = security_inode_init_security(&ip->i_inode, &dip->i_inode, name,  in gfs2_create_inode()
754 	error = link_dinode(dip, name, ip, &da);  in gfs2_create_inode()
889 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_link()  local
901 	error = gfs2_rs_alloc(dip);  in gfs2_link()
905 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_link()
935 	if (!dip->i_inode.i_nlink)  in gfs2_link()
938 	if (dip->i_entries == (u32)-1)  in gfs2_link()
956 		error = gfs2_quota_lock_check(dip, &ap);  in gfs2_link()
960 		error = gfs2_inplace_reserve(dip, &ap);  in gfs2_link()
964 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, &da, 2), 0);  in gfs2_link()
994 		gfs2_inplace_release(dip);  in gfs2_link()
997 		gfs2_quota_unlock(dip);  in gfs2_link()
1020 static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,  in gfs2_unlink_ok()  argument
1028 	if ((dip->i_inode.i_mode & S_ISVTX) &&  in gfs2_unlink_ok()
1029 	    !uid_eq(dip->i_inode.i_uid, current_fsuid()) &&  in gfs2_unlink_ok()
1033 	if (IS_APPEND(&dip->i_inode))  in gfs2_unlink_ok()
1036 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in gfs2_unlink_ok()
1040 	return gfs2_dir_check(&dip->i_inode, name, ip);  in gfs2_unlink_ok()
1055 static int gfs2_unlink_inode(struct gfs2_inode *dip,  in gfs2_unlink_inode()  argument
1062 	error = gfs2_dir_del(dip, dentry);  in gfs2_unlink_inode()
1092 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_unlink()  local
1106 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_unlink()
1138 	error = gfs2_unlink_ok(dip, &dentry->d_name, ip);  in gfs2_unlink()
1146 	error = gfs2_unlink_inode(dip, dentry);  in gfs2_unlink()