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(parent: af9de81) | patch
Btrfs: noinline merge_extent_mapping
authorLiu Bo <bo.li.liu@oracle.com>
Fri, 5 Jan 2018 19:51:17 +0000 (12:51 -0700)
committerDavid Sterba <dsterba@suse.com>
Mon, 22 Jan 2018 15:08:22 +0000 (16:08 +0100)
commit83a8e0114e3770519c9e49b876800faef36a0ae1
treeed7fa36a5aa0360dcddea7882eba8f6e52038f37tree | snapshot
parentaf9de813ce3f554bfffd83148c52f9c0ae50d935commit | diff
Btrfs: noinline merge_extent_mapping

In order to debug subtle bugs around merge_extent_mapping(), perf probe
can be used to check the arguments, but sometimes merge_extent_mapping()
got inlined by compiler and couldn't be probed.

This is adding noinline attribute to merge_extent_mapping().

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/extent_map.c diff | blob | history
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