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journal: don't affect atime of journal files when vacuuming

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Let's try to use O_NOATIME if we can when vacuuming old journal files,
if we have the permissions for it, so that vacuuming doesn't count as
proper journal read access.
This commit is contained in:
Lennart Poettering
2015-10-02 22:39:24 +02:00
parent 84267e4043
commit 7b5195e274
1 changed files with 7 additions and 3 deletions
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src/journal/journal-vacuum.c
+7 -3
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@@ -112,9 +112,13 @@ static int journal_file_empty(int dir_fd, const char *name) {
le64_t n_entries;
ssize_t n;
fd = openat(dir_fd, name, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
if (fd < 0)
return -errno;
fd = openat(dir_fd, name, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK|O_NOATIME);
if (fd < 0) {
/* Maybe failed due to O_NOATIME and lack of privileges? */
fd = openat(dir_fd, name, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NONBLOCK);
if (fd < 0)
return -errno;
}
if (fstat(fd, &st) < 0)
return -errno;