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authorChristoph Hellwig <hch@lst.de>2016-10-20 15:54:45 +1100
committerDave Chinner <david@fromorbit.com>2016-10-20 15:54:45 +1100
commitc1112b6e626637ec09319883b63e705a931c398b (patch)
tree22bcdfb9829739e8341ee1aa302df9b58881c53e /fs/xfs/xfs_trace.h
parent3e0ee78f7a5a8ed43b129e9e4c5c0ff10c71df74 (diff)
downloadop-kernel-dev-c1112b6e626637ec09319883b63e705a931c398b.zip
op-kernel-dev-c1112b6e626637ec09319883b63e705a931c398b.tar.gz
xfs: optimize xfs_reflink_end_cow
Instead of doing a full extent list search for each extent that is to be deleted using xfs_bmapi_read and then doing another one inside of xfs_bunmapi_cow use the same scheme that xfs_bumapi uses: look up the last extent to be deleted and then use the extent index to walk downward until we are outside the range to be deleted. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_trace.h')
-rw-r--r--fs/xfs/xfs_trace.h1
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index 72f9f6b..0907752 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -3356,7 +3356,6 @@ DEFINE_INODE_IREC_EVENT(xfs_reflink_trim_irec);
DEFINE_SIMPLE_IO_EVENT(xfs_reflink_cancel_cow_range);
DEFINE_SIMPLE_IO_EVENT(xfs_reflink_end_cow);
DEFINE_INODE_IREC_EVENT(xfs_reflink_cow_remap);
-DEFINE_INODE_IREC_EVENT(xfs_reflink_cow_remap_piece);
DEFINE_INODE_ERROR_EVENT(xfs_reflink_allocate_cow_range_error);
DEFINE_INODE_ERROR_EVENT(xfs_reflink_cancel_cow_range_error);
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