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authorQu Wenruo <wqu@suse.com>2019-05-10 12:45:05 +0800
committerDavid Sterba <dsterba@suse.com>2019-05-16 14:31:13 +0200
commit14ae4ec1ee1466b701e0518f9acbb0bbd8ab0684 (patch)
treeb003ed219dcbbe322a3ce6f5bf4817364b392bb8 /Documentation/ide
parente32773357d5cc271b1d23550b3ed026eb5c2a468 (diff)
downloadlinux-14ae4ec1ee1466b701e0518f9acbb0bbd8ab0684.tar.bz2
btrfs: extent-tree: Fix a bug that btrfs is unable to add pinned bytes
Commit ddf30cf03fb5 ("btrfs: extent-tree: Use btrfs_ref to refactor add_pinned_bytes()") refactored add_pinned_bytes(), but during that refactor, there are two callers which add the pinned bytes instead of subtracting. That refactor misses those two caller, causing incorrect pinned bytes calculation and resulting unexpected ENOSPC error. Fix it by adding a new parameter @sign to restore the original behavior. Reported-by: kernel test robot <rong.a.chen@intel.com> Fixes: ddf30cf03fb5 ("btrfs: extent-tree: Use btrfs_ref to refactor add_pinned_bytes()") Signed-off-by: Qu Wenruo <wqu@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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