diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.h')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h index 8f597f9abdbe..5bb446d80542 100644 --- a/fs/xfs/libxfs/xfs_bmap.h +++ b/fs/xfs/libxfs/xfs_bmap.h @@ -171,6 +171,13 @@ static inline bool xfs_bmap_is_real_extent(struct xfs_bmbt_irec *irec) !isnullstartblock(irec->br_startblock); } +/* + * Check the mapping for obviously garbage allocations that could trash the + * filesystem immediately. + */ +#define xfs_valid_startblock(ip, startblock) \ + ((startblock) != 0 || XFS_IS_REALTIME_INODE(ip)) + void xfs_trim_extent(struct xfs_bmbt_irec *irec, xfs_fileoff_t bno, xfs_filblks_t len); int xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd); @@ -254,9 +261,9 @@ int xfs_bmap_finish_one(struct xfs_trans *tp, struct xfs_inode *ip, enum xfs_bmap_intent_type type, int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock, xfs_filblks_t *blockcount, xfs_exntst_t state); -int xfs_bmap_map_extent(struct xfs_trans *tp, struct xfs_inode *ip, +void xfs_bmap_map_extent(struct xfs_trans *tp, struct xfs_inode *ip, struct xfs_bmbt_irec *imap); -int xfs_bmap_unmap_extent(struct xfs_trans *tp, struct xfs_inode *ip, +void xfs_bmap_unmap_extent(struct xfs_trans *tp, struct xfs_inode *ip, struct xfs_bmbt_irec *imap); static inline int xfs_bmap_fork_to_state(int whichfork) |