remove unneeded locks in getCacheEntry #9387
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Signed-off-by: Robin Appelman <robin@icewind.nl>
MorrisJobke
approved these changes
May 4, 2018
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A lot better for an upload of a single file.
Before:
acquire shared lock on "files/github.png" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
acquire shared lock on "files/github.png" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
acquire shared lock on "files/github.png" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
acquire shared lock on "files/github.png" on storage "home::admin"
acquire exclusive lock on "files/admin/files/github.png.upload.part" on storage "home::admin"
acquire shared lock on "files/admin" on storage "home::admin"
acquire shared lock on "files/admin/files" on storage "home::admin"
acquire shared lock on "files/github.png" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
acquire shared lock on "files/github.png" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
change lock on "files/github.png" to exclusive on storage "home::admin"
change lock on "files/github.png" to shared on storage "home::admin"
release exclusive lock on "files/admin/files/github.png.upload.part" on storage "home::admin"
release shared lock on "files/admin" on storage "home::admin"
release shared lock on "files/admin/files" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
After:
acquire shared lock on "files/github.png" on storage "home::admin"
change lock on "files/github.png" to exclusive on storage "home::admin"
change lock on "files/github.png" to shared on storage "home::admin"
release shared lock on "files/github.png" on storage "home::admin"
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@icewind1991 Could you please open a backport for this? |
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Extra locking there isn't needed to ensure a consistent state