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cephfs: Avoid hanging lock in volume mutex lock

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This patch allows to avoid hanging mutex lock scenario when
fscrypt fails to unlock. Prevents uncessary delays

Signed-off-by: Sunnatillo <sunnat.samadov@est.tech>
This commit is contained in:
Sunnatillo 2024-07-23 15:18:10 +03:00 committed by mergify[bot]
parent c875483f8a
commit d46b7d7ff4
1 changed files with 13 additions and 11 deletions
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24
internal/cephfs/nodeserver.go
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@ -164,23 +164,25 @@ func maybeUnlockFileEncryption(
}
log.DebugLog(ctx, "Lock successfully created for volume ID %s", volID)
defer func() {
ret, unlockErr := ioctx.Unlock(string(volID), lockName, lockCookie)
switch ret {
case 0:
log.DebugLog(ctx, "Lock %s successfully released ", lockName)
case -int(syscall.ENOENT):
log.DebugLog(ctx, "Lock is not held by the specified %s, %s pair", lockCookie, lockName)
default:
log.ErrorLog(ctx, "Failed to release following lock, this will lead to orphan lock %s: %v",
lockName, unlockErr)
}
}()
log.DebugLog(ctx, "cephfs: unlocking fscrypt on volume %q path %s", volID, stagingTargetPath)
err = fscrypt.Unlock(ctx, volOptions.Encryption, stagingTargetPath, string(volID))
if err != nil {
return err
}
ret, err := ioctx.Unlock(string(volID), lockName, lockCookie)
switch ret {
case 0:
log.DebugLog(ctx, "Lock %s successfully released ", lockName)
case -int(syscall.ENOENT):
log.DebugLog(ctx, "Lock is not held by the specified %s, %s pair", lockCookie, lockName)
default:
log.ErrorLog(ctx, "Failed to release following lock, this will lead to orphan lock %s: %v",
lockName, err)
}
return nil
}