447 struct inode *gfs2_lookup_simple(struct inode *dip, const char *name)  in gfs2_lookup_simple()  argument
452 	inode = gfs2_lookupi(dip, &qstr, 1);  in gfs2_lookup_simple()
484 	struct gfs2_inode *dip = GFS2_I(dir);  in gfs2_lookupi()  local
500 	if (gfs2_glock_is_locked_by_me(dip->i_gl) == NULL) {  in gfs2_lookupi()
501 		error = gfs2_glock_nq_init(dip->i_gl, LM_ST_SHARED, 0, &d_gh);  in gfs2_lookupi()
666 static int create_ok(struct gfs2_inode *dip, const struct qstr *name,  in create_ok()  argument
671 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in create_ok()
676 	if (!dip->i_inode.i_nlink)  in create_ok()
679 	error = gfs2_dir_check(&dip->i_inode, name, NULL);  in create_ok()
690 	if (dip->i_entries == (u32)-1)  in create_ok()
692 	if (S_ISDIR(mode) && dip->i_inode.i_nlink == (u32)-1)  in create_ok()
698 static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode,  in munge_mode_uid_gid()  argument
701 	if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&  in munge_mode_uid_gid()
702 	    (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) {  in munge_mode_uid_gid()
705 		else if (dip->i_inode.i_uid != current_fsuid())  in munge_mode_uid_gid()
707 		*uid = dip->i_inode.i_uid;  in munge_mode_uid_gid()
711 	if (dip->i_inode.i_mode & S_ISGID) {  in munge_mode_uid_gid()
714 		*gid = dip->i_inode.i_gid;  in munge_mode_uid_gid()
719 static int alloc_dinode(struct gfs2_inode *dip, u64 *no_addr, u64 *generation)  in alloc_dinode()  argument
721 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in alloc_dinode()
724 	if (gfs2_alloc_get(dip) == NULL)  in alloc_dinode()
727 	dip->i_alloc->al_requested = RES_DINODE;  in alloc_dinode()
728 	error = gfs2_inplace_reserve(dip);  in alloc_dinode()
736 	*no_addr = gfs2_alloc_di(dip, generation);  in alloc_dinode()
741 	gfs2_inplace_release(dip);  in alloc_dinode()
743 	gfs2_alloc_put(dip);  in alloc_dinode()
758 static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,  in init_dinode()  argument
763 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in init_dinode()
790 		if ((dip->i_diskflags & GFS2_DIF_INHERIT_JDATA) ||  in init_dinode()
794 		di->di_flags |= cpu_to_be32(dip->i_diskflags &  in init_dinode()
817 static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl,  in make_dinode()  argument
821 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in make_dinode()
825 	munge_mode_uid_gid(dip, &mode, &uid, &gid);  in make_dinode()
826 	if (!gfs2_alloc_get(dip))  in make_dinode()
829 	error = gfs2_quota_lock(dip, uid, gid);  in make_dinode()
833 	error = gfs2_quota_check(dip, uid, gid);  in make_dinode()
841 	init_dinode(dip, gl, inum, mode, uid, gid, generation, dev, bhp);  in make_dinode()
842 	gfs2_quota_change(dip, +1, uid, gid);  in make_dinode()
846 	gfs2_quota_unlock(dip);  in make_dinode()
848 	gfs2_alloc_put(dip);  in make_dinode()
852 static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,  in link_dinode()  argument
855 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in link_dinode()
861 	al = gfs2_alloc_get(dip);  in link_dinode()
865 	error = gfs2_quota_lock(dip, NO_QUOTA_CHANGE, NO_QUOTA_CHANGE);  in link_dinode()
869 	error = alloc_required = gfs2_diradd_alloc_required(&dip->i_inode, name);  in link_dinode()
873 		error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid);  in link_dinode()
879 		error = gfs2_inplace_reserve(dip);  in link_dinode()
895 	error = gfs2_dir_add(&dip->i_inode, name, ip, IF2DT(ip->i_inode.i_mode));  in link_dinode()
912 	if (dip->i_alloc->al_rgd)  in link_dinode()
913 		gfs2_inplace_release(dip);  in link_dinode()
916 	gfs2_quota_unlock(dip);  in link_dinode()
919 	gfs2_alloc_put(dip);  in link_dinode()
923 static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip)  in gfs2_security_init()  argument
931 	err = security_inode_init_security(&ip->i_inode, &dip->i_inode,  in gfs2_security_init()
976 	struct gfs2_inode *dip = ghs->gh_gl->gl_object;  in gfs2_createi()  local
977 	struct inode *dir = &dip->i_inode;  in gfs2_createi()
978 	struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);  in gfs2_createi()
992 	error = create_ok(dip, name, mode);  in gfs2_createi()
1000 	error = alloc_dinode(dip, &inum.no_addr, &generation);  in gfs2_createi()
1009 	error = make_dinode(dip, ghs[1].gh_gl, mode, &inum, &generation, dev, &bh);  in gfs2_createi()
1023 	error = gfs2_acl_create(dip, GFS2_I(inode));  in gfs2_createi()
1027 	error = gfs2_security_init(dip, GFS2_I(inode));  in gfs2_createi()
1031 	error = link_dinode(dip, name, GFS2_I(inode));  in gfs2_createi()
1062 int gfs2_rmdiri(struct gfs2_inode *dip, const struct qstr *name,  in gfs2_rmdiri()  argument
1074 	error = gfs2_dir_del(dip, name);  in gfs2_rmdiri()
1078 	error = gfs2_change_nlink(dip, -1);  in gfs2_rmdiri()
1115 int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,  in gfs2_unlink_ok()  argument
1123 	if ((dip->i_inode.i_mode & S_ISVTX) &&  in gfs2_unlink_ok()
1124 	    dip->i_inode.i_uid != current_fsuid() &&  in gfs2_unlink_ok()
1128 	if (IS_APPEND(&dip->i_inode))  in gfs2_unlink_ok()
1131 	error = gfs2_permission(&dip->i_inode, MAY_WRITE | MAY_EXEC);  in gfs2_unlink_ok()
1135 	error = gfs2_dir_check(&dip->i_inode, name, ip);  in gfs2_unlink_ok()