[stable20] Unlock when promoting to exclusive lock fails #23995
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In certain cases changeLock to EXCLUSIVE fails and throws LockedException. This leaves the file locked as SHARED in file_put_contents, which prevents retrying (because on second call file_put_contents takes another SHARED lock on the same file, and changeLock doesn't allow more than a single SHARED lock to promote to EXCLUSIVE). To avoid this case, we catch the LockedException and unlock before re-throwing. Signed-off-by: Ashod Nakashian <[email protected]>
rullzer
approved these changes
Nov 9, 2020
rullzer
requested review from
MorrisJobke,
icewind1991,
juliusknorr and
nickvergessen
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MorrisJobke
approved these changes
Nov 10, 2020
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backport of #23741