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pkg/fileutil: fall back to truncate() if fallocate is interrupted

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Fixes #5558
This commit is contained in:
Anthony Romano 2016-06-06 09:52:34 -07:00
parent c093234e3a
commit 54aac4ab7e
1 changed files with 3 additions and 2 deletions
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5
pkg/fileutil/preallocate_unix.go
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@ -26,8 +26,9 @@ func preallocExtend(f *os.File, sizeInBytes int64) error {
err := syscall.Fallocate(int(f.Fd()), 0, 0, sizeInBytes)
if err != nil {
errno, ok := err.(syscall.Errno)
// treat not support as nil error
if ok && errno == syscall.ENOTSUP {
// not supported; fallback
// fallocate EINTRs frequently in some enviroments; fallback
if ok && (errno == syscall.ENOTSUP || errno == syscall.EINTR) {
return preallocExtendTrunc(f, sizeInBytes)
}
}