247 struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)  in gfs2_lookup_simple()  argument
252 	inode = gfs2_lookupi(dip, &qstr, 1);  in gfs2_lookup_simple()
284 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_lookupi()  local
300 	if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) {  in gfs2_lookupi()
301 		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);  in gfs2_lookupi()
332 static int create_ok(struct gfs2_inode *dip, const struct qstr *name,  in create_ok()  argument
337 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in create_ok()
342 	if (!dip->i_inode.i_nlink)  in create_ok()
345 	if (dip->i_entries == (u32)-1)  in create_ok()
347 	if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)  in create_ok()
353 static void munge_mode_uid_gid(const struct gfs2_inode *dip,  in munge_mode_uid_gid()  argument
356 	if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&  in munge_mode_uid_gid()
357 	    (dip->i_inode.i_mode & S_ISUID) &&  in munge_mode_uid_gid()
358 	    !uid_eq(dip->i_inode.i_uid, GLOBAL_ROOT_UID)) {  in munge_mode_uid_gid()
361 		else if (!uid_eq(dip->i_inode.i_uid, current_fsuid()))  in munge_mode_uid_gid()
363 		inode->i_uid = dip->i_inode.i_uid;  in munge_mode_uid_gid()
367 	if (dip->i_inode.i_mode & S_ISGID) {  in munge_mode_uid_gid()
370 		inode->i_gid = dip->i_inode.i_gid;  in munge_mode_uid_gid()
461 static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,  in init_dinode()  argument
483 		gfs2_init_dir(dibh, dip);  in init_dinode()
508 static unsigned gfs2_trans_da_blks(const struct gfs2_inode *dip,  in gfs2_trans_da_blks()  argument
512 	return da->nr_blocks + gfs2_rg_blocks(dip, da->nr_blocks) +  in gfs2_trans_da_blks()
516 static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,  in link_dinode()  argument
519 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in link_dinode()
524 		error = gfs2_quota_lock_check(dip, &ap);  in link_dinode()
528 		error = gfs2_inplace_reserve(dip, &ap);  in link_dinode()
532 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, da, 2), 0);  in link_dinode()
541 	error = gfs2_dir_add(&dip->i_inode, name, ip, da);  in link_dinode()
545 	gfs2_inplace_release(dip);  in link_dinode()
547 	gfs2_quota_unlock(dip);  in link_dinode()
589 	struct gfs2_inode *dip = GFS2_I(dir), *ip;  in gfs2_create_inode()  local
590 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in gfs2_create_inode()
600 	error = gfs2_rsqa_alloc(dip);  in gfs2_create_inode()
608 	error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_create_inode()
613 	error = create_ok(dip, name, mode);  in gfs2_create_inode()
663 	munge_mode_uid_gid(dip, inode);  in gfs2_create_inode()
664 	check_and_update_goal(dip);  in gfs2_create_inode()
665 	ip->i_goal = dip->i_goal;  in gfs2_create_inode()
675 		if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||  in gfs2_create_inode()
681 		ip->i_diskflags |= (dip->i_diskflags & GFS2_DIF_INHERIT_JDATA);  in gfs2_create_inode()
688 	if (dip->i_diskflags & GFS2_DIF_SYSTEM)  in gfs2_create_inode()
693 	if ((GFS2_I(d_inode(sdp->sd_root_dir)) == dip) ||  in gfs2_create_inode()
694 	    (dip->i_diskflags & GFS2_DIF_TOPDIR))  in gfs2_create_inode()
724 	init_dinode(dip, ip, symname);  in gfs2_create_inode()
759 	error = security_inode_init_security(&ip->i_inode, &dip->i_inode, name,  in gfs2_create_inode()
764 	error = link_dinode(dip, name, ip, &da);  in gfs2_create_inode()
900 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_link()  local
912 	error = gfs2_rsqa_alloc(dip);  in gfs2_link()
916 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_link()
946 	if (!dip->i_inode.i_nlink)  in gfs2_link()
949 	if (dip->i_entries == (u32)-1)  in gfs2_link()
967 		error = gfs2_quota_lock_check(dip, &ap);  in gfs2_link()
971 		error = gfs2_inplace_reserve(dip, &ap);  in gfs2_link()
975 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, &da, 2), 0);  in gfs2_link()
1005 		gfs2_inplace_release(dip);  in gfs2_link()
1008 		gfs2_quota_unlock(dip);  in gfs2_link()
1031 static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,  in gfs2_unlink_ok()  argument
1039 	if ((dip->i_inode.i_mode & S_ISVTX) &&  in gfs2_unlink_ok()
1040 	    !uid_eq(dip->i_inode.i_uid, current_fsuid()) &&  in gfs2_unlink_ok()
1044 	if (IS_APPEND(&dip->i_inode))  in gfs2_unlink_ok()
1047 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in gfs2_unlink_ok()
1051 	return gfs2_dir_check(&dip->i_inode, name, ip);  in gfs2_unlink_ok()
1066 static int gfs2_unlink_inode(struct gfs2_inode *dip,  in gfs2_unlink_inode()  argument
1073 	error = gfs2_dir_del(dip, dentry);  in gfs2_unlink_inode()
1103 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_unlink()  local
1117 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_unlink()
1149 	error = gfs2_unlink_ok(dip, &dentry->d_name, ip);  in gfs2_unlink()
1157 	error = gfs2_unlink_inode(dip, dentry);  in gfs2_unlink()