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authorWang Xiaoguang <wangxg.fnst@cn.fujitsu.com>2016-06-20 09:18:52 +0800
committerDavid Sterba <dsterba@suse.com>2016-10-24 18:20:29 +0200
commit9d1032cc49a8a1065e79ee323de66bcb4fdbd535 (patch)
tree949523d20856471ba5d48aaca9cf26c70638b59a /Documentation
parent9c894696f56f5d84fb5766af81bcda4a7cb9a842 (diff)
btrfs: fix WARNING in btrfs_select_ref_head()
This issue was found when testing in-band dedupe enospc behaviour, sometimes run_one_delayed_ref() may fail for enospc reason, then __btrfs_run_delayed_refs()will return, but forget to add num_heads_read back, which will trigger "WARN_ON(delayed_refs->num_heads_ready == 0)" in btrfs_select_ref_head(). Signed-off-by: Wang Xiaoguang <wangxg.fnst@cn.fujitsu.com> Signed-off-by: David Sterba <dsterba@suse.com>
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