diff options
| author | Bob Peterson <rpeterso@redhat.com> | 2020-05-23 15:13:50 +0200 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2020-06-05 16:44:29 +0200 |
| commit | ea4e61c7f46d33fdf17580a925e47cc83570d658 (patch) | |
| tree | 93a9f0b2349114db7705f69d524e57f056cb72dc /fs/gfs2 | |
| parent | gfs2: print mapping->nrpages in glock dump for address space glocks (diff) | |
| download | linux-ea4e61c7f46d33fdf17580a925e47cc83570d658.tar.xz linux-ea4e61c7f46d33fdf17580a925e47cc83570d658.zip | |
gfs2: introduce new gfs2_glock_assert_withdraw
Before this patch, asserts based on glocks did not print the glock with
the error. This patch introduces a new macro, gfs2_glock_assert_withdraw
which first prints the glock, then takes the assert.
This also changes a few glock asserts to the new macro.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'fs/gfs2')
| -rw-r--r-- | fs/gfs2/glock.c | 7 | ||||
| -rw-r--r-- | fs/gfs2/glock.h | 9 |
2 files changed, 13 insertions, 3 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 9a5dadc93cfc..64541d8bf9ad 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -164,7 +164,7 @@ void gfs2_glock_free(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; - BUG_ON(atomic_read(&gl->gl_revokes)); + gfs2_glock_assert_withdraw(gl, atomic_read(&gl->gl_revokes) == 0); rhashtable_remove_fast(&gl_hash_table, &gl->gl_node, ht_parms); smp_mb(); wake_up_glock(gl); @@ -626,7 +626,8 @@ __acquires(&gl->gl_lockref.lock) */ if ((atomic_read(&gl->gl_ail_count) != 0) && (!cmpxchg(&sdp->sd_log_error, 0, -EIO))) { - gfs2_assert_warn(sdp, !atomic_read(&gl->gl_ail_count)); + gfs2_glock_assert_warn(gl, + !atomic_read(&gl->gl_ail_count)); gfs2_dump_glock(NULL, gl, true); } glops->go_inval(gl, target == LM_ST_DEFERRED ? 0 : DIO_METADATA); @@ -1836,7 +1837,7 @@ void gfs2_glock_finish_truncate(struct gfs2_inode *ip) int ret; ret = gfs2_truncatei_resume(ip); - gfs2_assert_withdraw(gl->gl_name.ln_sbd, ret == 0); + gfs2_glock_assert_withdraw(gl, ret == 0); spin_lock(&gl->gl_lockref.lock); clear_bit(GLF_LOCK, &gl->gl_flags); diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h index b8adaf80e4c5..1c547dff7c57 100644 --- a/fs/gfs2/glock.h +++ b/fs/gfs2/glock.h @@ -205,6 +205,15 @@ extern void gfs2_dump_glock(struct seq_file *seq, struct gfs2_glock *gl, #define GLOCK_BUG_ON(gl,x) do { if (unlikely(x)) { \ gfs2_dump_glock(NULL, gl, true); \ BUG(); } } while(0) +#define gfs2_glock_assert_warn(gl, x) do { if (unlikely(!(x))) { \ + gfs2_dump_glock(NULL, gl, true); \ + gfs2_assert_warn((gl)->gl_name.ln_sbd, (x)); } } \ + while (0) +#define gfs2_glock_assert_withdraw(gl, x) do { if (unlikely(!(x))) { \ + gfs2_dump_glock(NULL, gl, true); \ + gfs2_assert_withdraw((gl)->gl_name.ln_sbd, (x)); } } \ + while (0) + extern __printf(2, 3) void gfs2_print_dbg(struct seq_file *seq, const char *fmt, ...); |