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Open directories O_RDONLY for fsync, add debugging if it fails

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This commit is contained in:
Matt Johnston
2015-01-04 22:22:43 +08:00
parent 4ba830fc31
commit 634415f79e
2 changed files with 9 additions and 4 deletions
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9
svr-kex.c
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@@ -91,12 +91,15 @@ static void fsync_parent_dir(const char* fn) {
#ifdef HAVE_LIBGEN_H
char *fn_dir = m_strdup(fn);
char *dir = dirname(fn_dir);
/* some OSes need the fd to be writable for fsync */
int dirfd = open(dir, O_RDWR);
int dirfd = open(dir, O_RDONLY);
if (dirfd != -1) {
fsync(dirfd);
if (fsync(dirfd) != 0) {
TRACE(("fsync of directory %s failed: %s", dir, strerror(errno)))
}
m_close(dirfd);
} else {
TRACE(("error opening directory %s for fsync: %s", dir, strerror(errno)))
}
free(fn_dir);