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- #ifndef XFS_SYNC_H
- #define XFS_SYNC_H 1
- struct xfs_mount;
- struct xfs_perag;
- struct xfs_eofblocks {
- __u32 eof_flags;
- kuid_t eof_uid;
- kgid_t eof_gid;
- prid_t eof_prid;
- __u64 eof_min_file_size;
- };
- #define SYNC_WAIT 0x0001
- #define SYNC_TRYLOCK 0x0002
- #define XFS_ICI_NO_TAG (-1)
- #define XFS_ICI_RECLAIM_TAG 0
- #define XFS_ICI_EOFBLOCKS_TAG 1
- #define XFS_ICI_COWBLOCKS_TAG 2
- #define XFS_IGET_CREATE 0x1
- #define XFS_IGET_UNTRUSTED 0x2
- #define XFS_IGET_DONTCACHE 0x4
- #define XFS_AGITER_INEW_WAIT 0x1
- int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
- uint flags, uint lock_flags, xfs_inode_t **ipp);
- struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
- void xfs_inode_free(struct xfs_inode *ip);
- void xfs_reclaim_worker(struct work_struct *work);
- int xfs_reclaim_inodes(struct xfs_mount *mp, int mode);
- int xfs_reclaim_inodes_count(struct xfs_mount *mp);
- long xfs_reclaim_inodes_nr(struct xfs_mount *mp, int nr_to_scan);
- void xfs_inode_set_reclaim_tag(struct xfs_inode *ip);
- void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
- void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
- int xfs_icache_free_eofblocks(struct xfs_mount *, struct xfs_eofblocks *);
- int xfs_inode_free_quota_eofblocks(struct xfs_inode *ip);
- void xfs_eofblocks_worker(struct work_struct *);
- void xfs_queue_eofblocks(struct xfs_mount *);
- void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
- void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
- int xfs_icache_free_cowblocks(struct xfs_mount *, struct xfs_eofblocks *);
- int xfs_inode_free_quota_cowblocks(struct xfs_inode *ip);
- void xfs_cowblocks_worker(struct work_struct *);
- int xfs_inode_ag_iterator(struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags, void *args),
- int flags, void *args);
- int xfs_inode_ag_iterator_flags(struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags, void *args),
- int flags, void *args, int iter_flags);
- int xfs_inode_ag_iterator_tag(struct xfs_mount *mp,
- int (*execute)(struct xfs_inode *ip, int flags, void *args),
- int flags, void *args, int tag);
- static inline int
- xfs_fs_eofblocks_from_user(
- struct xfs_fs_eofblocks *src,
- struct xfs_eofblocks *dst)
- {
- if (src->eof_version != XFS_EOFBLOCKS_VERSION)
- return -EINVAL;
- if (src->eof_flags & ~XFS_EOF_FLAGS_VALID)
- return -EINVAL;
- if (memchr_inv(&src->pad32, 0, sizeof(src->pad32)) ||
- memchr_inv(src->pad64, 0, sizeof(src->pad64)))
- return -EINVAL;
- dst->eof_flags = src->eof_flags;
- dst->eof_prid = src->eof_prid;
- dst->eof_min_file_size = src->eof_min_file_size;
- dst->eof_uid = INVALID_UID;
- if (src->eof_flags & XFS_EOF_FLAGS_UID) {
- dst->eof_uid = make_kuid(current_user_ns(), src->eof_uid);
- if (!uid_valid(dst->eof_uid))
- return -EINVAL;
- }
- dst->eof_gid = INVALID_GID;
- if (src->eof_flags & XFS_EOF_FLAGS_GID) {
- dst->eof_gid = make_kgid(current_user_ns(), src->eof_gid);
- if (!gid_valid(dst->eof_gid))
- return -EINVAL;
- }
- return 0;
- }
- #endif
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