projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a167b17e DC |
1 | /* |
| 2 | * Copyright (c) 2000-2006 Silicon Graphics, Inc. | |
| 3 | * All Rights Reserved. | |
| 4 | * | |
| 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. | |
| 8 | * | |
| 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. | |
| 13 | * | |
| 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 | |
| 17 | */ | |
| fe4fa4b8 DC |
18 | #ifndef XFS_SYNC_H |
| 19 | #define XFS_SYNC_H 1 | |
| 20 | ||
| a167b17e | 21 | struct xfs_mount; |
| fcafb71b | 22 | struct xfs_perag; |
| a167b17e | 23 | |
| b9fe5052 DE |
24 | struct xfs_eofblocks { |
| 25 | __u32 eof_flags; | |
| 26 | kuid_t eof_uid; | |
| 27 | kgid_t eof_gid; | |
| 28 | prid_t eof_prid; | |
| 29 | __u64 eof_min_file_size; | |
| 30 | }; | |
| 31 | ||
| 8b5403a6 CH |
32 | #define SYNC_WAIT 0x0001 /* wait for i/o to complete */ |
| 33 | #define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */ | |
| a167b17e | 34 | |
| 7bb85ef3 DC |
35 | /* |
| 36 | * Flags for xfs_iget() | |
| 37 | */ | |
| 38 | #define XFS_IGET_CREATE 0x1 | |
| 39 | #define XFS_IGET_UNTRUSTED 0x2 | |
| 40 | #define XFS_IGET_DONTCACHE 0x4 | |
| 41 | ||
| 33479e05 DC |
42 | int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino, |
| 43 | uint flags, uint lock_flags, xfs_inode_t **ipp); | |
| 44 | ||
| 33c7a2bc | 45 | void xfs_reclaim_worker(struct work_struct *work); |
| a167b17e | 46 | |
| abc10647 | 47 | int xfs_reclaim_inodes(struct xfs_mount *mp, int mode); |
| 8daaa831 DC |
48 | int xfs_reclaim_inodes_count(struct xfs_mount *mp); |
| 49 | void xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan); | |
| fce08f2f | 50 | |
| 396beb85 | 51 | void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); |
| fe588ed3 | 52 | |
| 27b52867 BF |
53 | void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); |
| 54 | void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); | |
| 8ca149de | 55 | int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); |
| 579b62fa | 56 | void xfs_eofblocks_worker(struct work_struct *); |
| 27b52867 | 57 | |
| fe588ed3 | 58 | int xfs_inode_ag_iterator(struct xfs_mount *mp, |
| a454f742 BF |
59 | int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, |
| 60 | int flags, void *args), | |
| 61 | int flags, void *args); | |
| 62 | int xfs_inode_ag_iterator_tag(struct xfs_mount *mp, | |
| 63 | int (*execute)(struct xfs_inode *ip, struct xfs_perag *pag, | |
| 64 | int flags, void *args), | |
| 65 | int flags, void *args, int tag); | |
| 9bf729c0 | 66 | |
| b9fe5052 DE |
67 | static inline int |
| 68 | xfs_fs_eofblocks_from_user( | |
| 69 | struct xfs_fs_eofblocks *src, | |
| 70 | struct xfs_eofblocks *dst) | |
| 71 | { | |
| 72 | if (src->eof_version != XFS_EOFBLOCKS_VERSION) | |
| 73 | return EINVAL; | |
| 74 | ||
| 75 | if (src->eof_flags & ~XFS_EOF_FLAGS_VALID) | |
| 76 | return EINVAL; | |
| 77 | ||
| 78 | if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) || | |
| 79 | memchr_inv(src->pad64, 0, sizeof(src->pad64))) | |
| 80 | return EINVAL; | |
| 81 | ||
| 82 | dst->eof_flags = src->eof_flags; | |
| 83 | dst->eof_prid = src->eof_prid; | |
| 84 | dst->eof_min_file_size = src->eof_min_file_size; | |
| 85 | ||
| 86 | dst->eof_uid = INVALID_UID; | |
| 87 | if (src->eof_flags & XFS_EOF_FLAGS_UID) { | |
| 88 | dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid); | |
| 89 | if (!uid_valid(dst->eof_uid)) | |
| 90 | return EINVAL; | |
| 91 | } | |
| 92 | ||
| 93 | dst->eof_gid = INVALID_GID; | |
| 94 | if (src->eof_flags & XFS_EOF_FLAGS_GID) { | |
| 95 | dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid); | |
| 96 | if (!gid_valid(dst->eof_gid)) | |
| 97 | return EINVAL; | |
| 98 | } | |
| 99 | return 0; | |
| 100 | } | |
| 101 | ||
| fe4fa4b8 | 102 | #endif |