2 * Copyright (c) 2000-2006 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 struct xfs_eofblocks {
29 __u64 eof_min_file_size;
30 xfs_ino_t eof_scan_owner;
33 #define SYNC_WAIT 0x0001 /* wait for i/o to complete */
34 #define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */
37 * tags for inode radix tree
39 #define XFS_ICI_NO_TAG (-1) /* special flag for an untagged lookup
40 in xfs_inode_ag_iterator */
41 #define XFS_ICI_RECLAIM_TAG 0 /* inode is to be reclaimed */
42 #define XFS_ICI_EOFBLOCKS_TAG 1 /* inode has blocks beyond EOF */
45 * Flags for xfs_iget()
47 #define XFS_IGET_CREATE 0x1
48 #define XFS_IGET_UNTRUSTED 0x2
49 #define XFS_IGET_DONTCACHE 0x4
51 int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
52 uint flags, uint lock_flags, xfs_inode_t **ipp);
54 /* recovery needs direct inode allocation capability */
55 struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
56 void xfs_inode_free(struct xfs_inode *ip);
58 void xfs_reclaim_worker(struct work_struct *work);
60 int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
61 int xfs_reclaim_inodes_count(struct xfs_mount *mp);
62 long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
64 void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
66 void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
67 void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
68 int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
69 int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip);
70 void xfs_eofblocks_worker(struct work_struct *);
72 int xfs_inode_ag_iterator(struct xfs_mount *mp,
73 int (*execute)(struct xfs_inode *ip, int flags, void *args),
74 int flags, void *args);
75 int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
76 int (*execute)(struct xfs_inode *ip, int flags, void *args),
77 int flags, void *args, int tag);
80 xfs_fs_eofblocks_from_user(
81 struct xfs_fs_eofblocks *src,
82 struct xfs_eofblocks *dst)
84 if (src->eof_version != XFS_EOFBLOCKS_VERSION)
87 if (src->eof_flags & ~XFS_EOF_FLAGS_VALID)
90 if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) ||
91 memchr_inv(src->pad64, 0, sizeof(src->pad64)))
94 dst->eof_flags = src->eof_flags;
95 dst->eof_prid = src->eof_prid;
96 dst->eof_min_file_size = src->eof_min_file_size;
97 dst->eof_scan_owner = NULLFSINO;
99 dst->eof_uid = INVALID_UID;
100 if (src->eof_flags & XFS_EOF_FLAGS_UID) {
101 dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid);
102 if (!uid_valid(dst->eof_uid))
106 dst->eof_gid = INVALID_GID;
107 if (src->eof_flags & XFS_EOF_FLAGS_GID) {
108 dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid);
109 if (!gid_valid(dst->eof_gid))