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| author | Eric Sandeen <sandeen@redhat.com> | 2014-02-27 15:17:27 +1100 |
|---|---|---|
| committer | Dave Chinner <david@fromorbit.com> | 2014-02-27 15:17:27 +1100 |
| commit | 5158217058fc2cdb92e05b9bb3c1a350d2a51ed9 (patch) | |
| tree | 3d2260f1e7f670fe71fd69f14b01daa342832742 /fs/xfs/xfs_buf.h | |
| parent | 533b81c875589ad0a2fc116991534b4601195253 (diff) | |
| download | lwn-5158217058fc2cdb92e05b9bb3c1a350d2a51ed9.tar.gz lwn-5158217058fc2cdb92e05b9bb3c1a350d2a51ed9.zip | |
xfs: add helper for verifying checksums on xfs_bufs
Many/most callers of xfs_verify_cksum() pass bp->b_addr and
BBTOB(bp->b_length) as the first 2 args. Add a helper
which can just accept the bp and the crc offset, and work
it out on its own, for brevity.
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_buf.h')
| -rw-r--r-- | fs/xfs/xfs_buf.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 995339534db6..5edcfbaddb26 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -369,6 +369,13 @@ static inline void xfs_buf_relse(xfs_buf_t *bp) xfs_buf_rele(bp); } +static inline int +xfs_buf_verify_cksum(struct xfs_buf *bp, unsigned long cksum_offset) +{ + return xfs_verify_cksum(bp->b_addr, BBTOB(bp->b_length), + cksum_offset); +} + /* * Handling of buftargs. */ |