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local: Ignore additional errors for directory syncing

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Apparently SMB/CIFS on Linux/macOS returns somewhat random errnos when
trying to sync a windows share which does not support calling fsync for
a directory.
This commit is contained in:
Michael Eischer 2022-05-11 20:37:59 +02:00
parent ac36fda155
commit 48a0d83143
2 changed files with 14 additions and 1 deletions
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13
changelog/unreleased/issue-3720 Normal file
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@ -0,0 +1,13 @@
Bugfix: Fix directory sync errors related repositories accessed via SMB
On Linux and macOS accessing a repository via a SMB/CIFS mount resulted in
restic failing to save the lock file:
Save(<lock/071fe833f0>) returned error, retrying after 552.330144ms: sync /repo/locks: no such file or directory
Save(<lock/bf789d7343>) returned error, retrying after 552.330144ms: sync /repo/locks: invalid argument
This has been fixed by ignoring these error codes.
https://github.com/restic/restic/issues/3720
https://github.com/restic/restic/issues/3751
https://github.com/restic/restic/pull/3752

2
internal/backend/local/local_unix.go
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@ -19,7 +19,7 @@ func fsyncDir(dir string) error {
}
err = d.Sync()
if errors.Is(err, syscall.ENOTSUP) {
if errors.Is(err, syscall.ENOTSUP) || errors.Is(err, syscall.ENOENT) || errors.Is(err, syscall.EINVAL) {
err = nil
}