259 struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)  in gfs2_lookup_simple()  argument
264 	inode = gfs2_lookupi(dip, &qstr, 1);  in gfs2_lookup_simple()
295 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_lookupi()  local
311 	if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) {  in gfs2_lookupi()
312 		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);  in gfs2_lookupi()
343 static int create_ok(struct gfs2_inode *dip, const struct qstr *name,  in create_ok()  argument
348 	error = gfs2_permission(&init_user_ns, &dip->i_inode,  in create_ok()
354 	if (!dip->i_inode.i_nlink)  in create_ok()
357 	if (dip->i_entries == (u32)-1)  in create_ok()
359 	if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)  in create_ok()
365 static void munge_mode_uid_gid(const struct gfs2_inode *dip,  in munge_mode_uid_gid()  argument
368 	if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&  in munge_mode_uid_gid()
369 	    (dip->i_inode.i_mode & S_ISUID) &&  in munge_mode_uid_gid()
370 	    !uid_eq(dip->i_inode.i_uid, GLOBAL_ROOT_UID)) {  in munge_mode_uid_gid()
373 		else if (!uid_eq(dip->i_inode.i_uid, current_fsuid()))  in munge_mode_uid_gid()
375 		inode->i_uid = dip->i_inode.i_uid;  in munge_mode_uid_gid()
379 	if (dip->i_inode.i_mode & S_ISGID) {  in munge_mode_uid_gid()
382 		inode->i_gid = dip->i_inode.i_gid;  in munge_mode_uid_gid()
472 static void init_dinode(struct gfs2_inode *dip, struct gfs2_inode *ip,  in init_dinode()  argument
494 		gfs2_init_dir(dibh, dip);  in init_dinode()
519 static unsigned gfs2_trans_da_blks(const struct gfs2_inode *dip,  in gfs2_trans_da_blks()  argument
523 	return da->nr_blocks + gfs2_rg_blocks(dip, da->nr_blocks) +  in gfs2_trans_da_blks()
527 static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,  in link_dinode()  argument
530 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in link_dinode()
535 		error = gfs2_quota_lock_check(dip, &ap);  in link_dinode()
539 		error = gfs2_inplace_reserve(dip, &ap);  in link_dinode()
543 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, da, 2), 0);  in link_dinode()
552 	error = gfs2_dir_add(&dip->i_inode, name, ip, da);  in link_dinode()
556 	gfs2_inplace_release(dip);  in link_dinode()
558 	gfs2_quota_unlock(dip);  in link_dinode()
601 	struct gfs2_inode *dip = GFS2_I(dir), *ip;  in gfs2_create_inode()  local
602 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in gfs2_create_inode()
612 	error = gfs2_qa_get(dip);  in gfs2_create_inode()
620 	error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_create_inode()
625 	error = create_ok(dip, name, mode);  in gfs2_create_inode()
674 	munge_mode_uid_gid(dip, inode);  in gfs2_create_inode()
675 	check_and_update_goal(dip);  in gfs2_create_inode()
676 	ip->i_goal = dip->i_goal;  in gfs2_create_inode()
686 		if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||  in gfs2_create_inode()
692 		ip->i_diskflags |= (dip->i_diskflags & GFS2_DIF_INHERIT_JDATA);  in gfs2_create_inode()
699 	if (dip->i_diskflags & GFS2_DIF_SYSTEM)  in gfs2_create_inode()
704 	if ((GFS2_I(d_inode(sdp->sd_root_dir)) == dip) ||  in gfs2_create_inode()
705 	    (dip->i_diskflags & GFS2_DIF_TOPDIR))  in gfs2_create_inode()
746 	init_dinode(dip, ip, symname);  in gfs2_create_inode()
771 	error = security_inode_init_security(&ip->i_inode, &dip->i_inode, name,  in gfs2_create_inode()
776 	error = link_dinode(dip, name, ip, &da);  in gfs2_create_inode()
792 	gfs2_qa_put(dip);  in gfs2_create_inode()
830 	gfs2_qa_put(dip);  in gfs2_create_inode()
922 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_link()  local
934 	error = gfs2_qa_get(dip);  in gfs2_link()
938 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_link()
969 	if (!dip->i_inode.i_nlink)  in gfs2_link()
972 	if (dip->i_entries == (u32)-1)  in gfs2_link()
990 		error = gfs2_quota_lock_check(dip, &ap);  in gfs2_link()
994 		error = gfs2_inplace_reserve(dip, &ap);  in gfs2_link()
998 		error = gfs2_trans_begin(sdp, gfs2_trans_da_blks(dip, &da, 2), 0);  in gfs2_link()
1028 		gfs2_inplace_release(dip);  in gfs2_link()
1031 		gfs2_quota_unlock(dip);  in gfs2_link()
1038 	gfs2_qa_put(dip);  in gfs2_link()
1055 static int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,  in gfs2_unlink_ok()  argument
1063 	if ((dip->i_inode.i_mode & S_ISVTX) &&  in gfs2_unlink_ok()
1064 	    !uid_eq(dip->i_inode.i_uid, current_fsuid()) &&  in gfs2_unlink_ok()
1068 	if (IS_APPEND(&dip->i_inode))  in gfs2_unlink_ok()
1071 	error = gfs2_permission(&init_user_ns, &dip->i_inode,  in gfs2_unlink_ok()
1076 	return gfs2_dir_check(&dip->i_inode, name, ip);  in gfs2_unlink_ok()
1090 static int gfs2_unlink_inode(struct gfs2_inode *dip,  in gfs2_unlink_inode()  argument
1097 	error = gfs2_dir_del(dip, dentry);  in gfs2_unlink_inode()
1127 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_unlink()  local
1141 	gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);  in gfs2_unlink()
1173 	error = gfs2_unlink_ok(dip, &dentry->d_name, ip);  in gfs2_unlink()
1181 	error = gfs2_unlink_inode(dip, dentry);  in gfs2_unlink()