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authorTheodore Ts'o <tytso@mit.edu>2016-06-27 01:24:01 +0300
committerTheodore Ts'o <tytso@mit.edu>2016-06-27 01:24:01 +0300
commitd08854f5bcf3ea0cabc6fd2fc49c2d97e00c7c88 (patch)
tree50365a520f03df76963fb61fc12be9689a718d58 /fs/ext4/fsync.c
parent1a695a905c18548062509178b98bc91e67510864 (diff)
downloadlinux-d08854f5bcf3ea0cabc6fd2fc49c2d97e00c7c88.tar.xz
ext4: optimize ext4_should_retry_alloc() to improve ENOSPC performance
If there are no pending blocks to be released after a commit, forcing a journal commit has no hope of helping. It's possible that a commit had just completed, so if there are now free blocks available for allocation, it's worth retrying the commit. Reported-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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