Theodore Ts'o d08854f5bc 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>

2016-06-26 18:24:01 -04:00

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