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authorDave Chinner <dchinner@redhat.com>2013-04-03 16:11:29 +1100
committerBen Myers <bpm@sgi.com>2013-04-27 13:01:06 -0500
commitd75afeb3d302019527331520a2632b6614425b40 (patch)
tree181dec415cdae00398086764a6229d115114354d /fs/xfs/xfs_trans_buf.c
parentd2e448d5fdebdcda93ed171339a3d864f65c227e (diff)
xfs: add buffer types to directory and attribute buffers
Add buffer types to the buffer log items so that log recovery can validate the buffers and calculate CRCs correctly after the buffers are recovered. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Ben Myers <bpm@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_trans_buf.c')
-rw-r--r--fs/xfs/xfs_trans_buf.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 8a0f6af51206..40871bf607f0 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -768,6 +768,9 @@ xfs_trans_buf_set_type(
{
struct xfs_buf_log_item *bip = bp->b_fspriv;
+ if (!tp)
+ return;
+
ASSERT(bp->b_transp == tp);
ASSERT(bip != NULL);
ASSERT(atomic_read(&bip->bli_refcount) > 0);
@@ -777,6 +780,20 @@ xfs_trans_buf_set_type(
bip->__bli_format.blf_flags |= type;
}
+void
+xfs_trans_buf_copy_type(
+ struct xfs_buf *dst_bp,
+ struct xfs_buf *src_bp)
+{
+ struct xfs_buf_log_item *sbip = src_bp->b_fspriv;
+ struct xfs_buf_log_item *dbip = dst_bp->b_fspriv;
+ uint type;
+
+ type = sbip->__bli_format.blf_flags & XFS_BLF_TYPE_MASK;
+ dbip->__bli_format.blf_flags &= ~XFS_BLF_TYPE_MASK;
+ dbip->__bli_format.blf_flags |= type;
+}
+
/*
* Similar to xfs_trans_inode_buf(), this marks the buffer as a cluster of
* dquots. However, unlike in inode buffer recovery, dquot buffers get