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xfs: create inode pointer verifiers

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Create some helper functions to check that inode pointers point to
somewhere within the filesystem and not at the static AG metadata.
Move xfs_internal_inum and create a directory inode check function.
We will use these functions in scrub and elsewhere.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2017-10-17 21:37:34 -07:00
parent 52c732eee7
commit 91fb9afc08
5 changed files with 99 additions and 27 deletions
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7
fs/xfs/libxfs/xfs_ialloc.h
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@ -173,5 +173,12 @@ void xfs_inobt_btrec_to_irec(struct xfs_mount *mp, union xfs_btree_rec *rec,
struct xfs_inobt_rec_incore *irec);
int xfs_ialloc_cluster_alignment(struct xfs_mount *mp);
void xfs_ialloc_agino_range(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agino_t *first, xfs_agino_t *last);
bool xfs_verify_agino(struct xfs_mount *mp, xfs_agnumber_t agno,
xfs_agino_t agino);
bool xfs_verify_ino(struct xfs_mount *mp, xfs_ino_t ino);
bool xfs_internal_inum(struct xfs_mount *mp, xfs_ino_t ino);
bool xfs_verify_dir_ino(struct xfs_mount *mp, xfs_ino_t ino);
#endif /* __XFS_IALLOC_H__ */