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| author | Christoph Hellwig <hch@lst.de> | 2017-05-11 14:01:03 -0500 |
|---|---|---|
| committer | Eric Sandeen <sandeen@redhat.com> | 2017-05-11 14:01:03 -0500 |
| commit | cd83dc79b719bcb4309c7645744a217b73adad32 (patch) | |
| tree | 19d41e41e481db151c47e87a8d85032b43f68d5d | |
| parent | e116c5c4511bbc2d98579817232258d57a1f1777 (diff) | |
| download | xfsprogs-dev-cd83dc79b719bcb4309c7645744a217b73adad32.tar.gz | |
xfs: factor out a xfs_bmap_is_real_extent helper
Source kernel commit: 9c4f29d39168bb9363189f0d54ee1202372e7d9b
This checks for all the non-normal extent types, including handling both
encodings of delayed allocations.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
| -rw-r--r-- | libxfs/xfs_bmap.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libxfs/xfs_bmap.h b/libxfs/xfs_bmap.h index cdef87db52..a6e612cabe 100644 --- a/libxfs/xfs_bmap.h +++ b/libxfs/xfs_bmap.h @@ -172,6 +172,18 @@ static inline int xfs_bmapi_whichfork(int bmapi_flags) /* + * Return true if the extent is a real, allocated extent, or false if it is a + * delayed allocation, and unwritten extent or a hole. + */ +static inline bool xfs_bmap_is_real_extent(struct xfs_bmbt_irec *irec) +{ + return irec->br_state != XFS_EXT_UNWRITTEN && + irec->br_startblock != HOLESTARTBLOCK && + irec->br_startblock != DELAYSTARTBLOCK && + !isnullstartblock(irec->br_startblock); +} + +/* * This macro is used to determine how many extents will be shifted * in one write transaction. We could require two splits, * an extent move on the first and an extent merge on the second, |