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Tolerate EINVAL when calling fsync() on a directory.

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Previously, we tolerated EBADF as a way for the operating system to
indicate that it doesn't support fsync() on a directory.  Tolerate
EINVAL too, for older versions of Linux CIFS.

Bug #15636.  Back-patch all the way.

Reported-by: John Klann
Discussion: https://postgr.es/m/15636-d380890dafd78fc6@postgresql.org
This commit is contained in:
Thomas Munro 2019-02-24 23:48:52 +13:00
parent 483520eca4
commit f16735d80d
2 changed files with 2 additions and 2 deletions
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2
src/backend/storage/file/fd.c
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@ -3379,7 +3379,7 @@ fsync_fname_ext(const char *fname, bool isdir, bool ignore_perm, int elevel)
* Some OSes don't allow us to fsync directories at all, so we can ignore
* those errors. Anything else needs to be logged.
*/
if (returncode != 0 && !(isdir && errno == EBADF))
if (returncode != 0 && !(isdir && (errno == EBADF || errno == EINVAL)))
{
int save_errno;

2
src/common/file_utils.c
View File

@ -299,7 +299,7 @@ fsync_fname(const char *fname, bool isdir, const char *progname)
* Some OSes don't allow us to fsync directories at all, so we can ignore
* those errors. Anything else needs to be reported.
*/
if (returncode != 0 && !(isdir && errno == EBADF))
if (returncode != 0 && !(isdir && (errno == EBADF || errno == EINVAL)))
{
fprintf(stderr, _("%s: could not fsync file \"%s\": %s\n"),
progname, fname, strerror(errno));