diff options
| author | Bob Peterson <rpeterso@redhat.com> | 2020-12-22 14:43:27 -0600 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2020-12-23 00:54:13 +0100 |
| commit | c77b52c0a137994ad796f44544c802b0b766e496 (patch) | |
| tree | 6d2f1b674d4bbfd0cad49d0c68d4d5e8b6a36465 /fs/gfs2/util.h | |
| parent | 7703f46f2cafa57b9e5e8f4d6ff3dd8dcf0c1656 (diff) | |
gfs2: Add common helper for holding and releasing the freeze glock
Many places in the gfs2 code queued and dequeued the freeze glock.
Almost all of them acquire it in SHARED mode, and need to specify the
same LM_FLAG_NOEXP and GL_EXACT flags.
This patch adds common helper functions gfs2_freeze_lock and gfs2_freeze_unlock
to make the code more readable, and to prepare for the next patch.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2/util.h')
| -rw-r--r-- | fs/gfs2/util.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h index a4443dd8a94b..69e1a0ae5a4d 100644 --- a/fs/gfs2/util.h +++ b/fs/gfs2/util.h @@ -149,6 +149,9 @@ int gfs2_io_error_i(struct gfs2_sbd *sdp, const char *function, extern int check_journal_clean(struct gfs2_sbd *sdp, struct gfs2_jdesc *jd, bool verbose); +extern int gfs2_freeze_lock(struct gfs2_sbd *sdp, + struct gfs2_holder *freeze_gh, int caller_flags); +extern void gfs2_freeze_unlock(struct gfs2_holder *freeze_gh); #define gfs2_io_error(sdp) \ gfs2_io_error_i((sdp), __func__, __FILE__, __LINE__) |