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authorEric Sandeen <sandeen@redhat.com>2014-02-27 08:18:23 +0400
committerDave Chinner <david@fromorbit.com>2014-02-27 08:18:23 +0400
commitf1dbcd7e38c80c2165516b4432231b46f1adc76c (patch)
treebde886fc74ed712e9beb016151edf068a68d7a01 /fs/xfs/xfs_buf.h
parent5158217058fc2cdb92e05b9bb3c1a350d2a51ed9 (diff)
downloadlinux-f1dbcd7e38c80c2165516b4432231b46f1adc76c.tar.xz
xfs: add helper for updating checksums on xfs_bufs
Many/most callers of xfs_update_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 5edcfbaddb26..b8a3abf6cf47 100644
--- a/fs/xfs/xfs_buf.h
+++ b/fs/xfs/xfs_buf.h
@@ -376,6 +376,13 @@ xfs_buf_verify_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
cksum_offset);
}
+static inline void
+xfs_buf_update_cksum(struct xfs_buf *bp, unsigned long cksum_offset)
+{
+ xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length),
+ cksum_offset);
+}
+
/*
* Handling of buftargs.
*/