summaryrefslogtreecommitdiffstats
path: root/fs/xfs/xfs_buf.h
diff options
context:
space:
mode:
authorEric Sandeen <sandeen@redhat.com>2014-02-27 15:17:27 +1100
committerDave Chinner <david@fromorbit.com>2014-02-27 15:17:27 +1100
commit5158217058fc2cdb92e05b9bb3c1a350d2a51ed9 (patch)
tree3d2260f1e7f670fe71fd69f14b01daa342832742 /fs/xfs/xfs_buf.h
parent533b81c875589ad0a2fc116991534b4601195253 (diff)
downloadlinux-5158217058fc2cdb92e05b9bb3c1a350d2a51ed9.tar.bz2
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.h7
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.
*/