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107 lines
3.2 KiB
107 lines
3.2 KiB
/* |
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* Copyright (c) 2000-2006 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it would be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef XFS_SYNC_H |
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#define XFS_SYNC_H 1 |
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struct xfs_mount; |
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struct xfs_perag; |
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struct xfs_eofblocks { |
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__u32 eof_flags; |
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kuid_t eof_uid; |
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kgid_t eof_gid; |
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prid_t eof_prid; |
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__u64 eof_min_file_size; |
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xfs_ino_t eof_scan_owner; |
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}; |
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#define SYNC_WAIT 0x0001 /* wait for i/o to complete */ |
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#define SYNC_TRYLOCK 0x0002 /* only try to lock inodes */ |
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/* |
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* Flags for xfs_iget() |
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*/ |
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#define XFS_IGET_CREATE 0x1 |
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#define XFS_IGET_UNTRUSTED 0x2 |
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#define XFS_IGET_DONTCACHE 0x4 |
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int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino, |
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uint flags, uint lock_flags, xfs_inode_t **ipp); |
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/* recovery needs direct inode allocation capability */ |
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struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino); |
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void xfs_inode_free(struct xfs_inode *ip); |
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void xfs_reclaim_worker(struct work_struct *work); |
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int xfs_reclaim_inodes(struct xfs_mount *mp, int mode); |
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int xfs_reclaim_inodes_count(struct xfs_mount *mp); |
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long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan); |
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void xfs_inode_set_reclaim_tag(struct xfs_inode *ip); |
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void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip); |
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void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip); |
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int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *); |
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int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip); |
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void xfs_eofblocks_worker(struct work_struct *); |
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int xfs_inode_ag_iterator(struct xfs_mount *mp, |
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int (*execute)(struct xfs_inode *ip, int flags, void *args), |
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int flags, void *args); |
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int xfs_inode_ag_iterator_tag(struct xfs_mount *mp, |
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int (*execute)(struct xfs_inode *ip, int flags, void *args), |
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int flags, void *args, int tag); |
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static inline int |
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xfs_fs_eofblocks_from_user( |
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struct xfs_fs_eofblocks *src, |
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struct xfs_eofblocks *dst) |
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{ |
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if (src->eof_version != XFS_EOFBLOCKS_VERSION) |
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return -EINVAL; |
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if (src->eof_flags & ~XFS_EOF_FLAGS_VALID) |
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return -EINVAL; |
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if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) || |
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memchr_inv(src->pad64, 0, sizeof(src->pad64))) |
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return -EINVAL; |
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dst->eof_flags = src->eof_flags; |
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dst->eof_prid = src->eof_prid; |
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dst->eof_min_file_size = src->eof_min_file_size; |
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dst->eof_scan_owner = NULLFSINO; |
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dst->eof_uid = INVALID_UID; |
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if (src->eof_flags & XFS_EOF_FLAGS_UID) { |
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dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid); |
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if (!uid_valid(dst->eof_uid)) |
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return -EINVAL; |
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} |
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dst->eof_gid = INVALID_GID; |
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if (src->eof_flags & XFS_EOF_FLAGS_GID) { |
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dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid); |
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if (!gid_valid(dst->eof_gid)) |
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return -EINVAL; |
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} |
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return 0; |
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} |
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#endif
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