diff options
Diffstat (limited to 'fs/gfs2/glock.c')
| -rw-r--r-- | fs/gfs2/glock.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 7602d0e2492c..5afaf92057c0 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -604,9 +604,22 @@ __acquires(&gl->gl_lockref.lock) spin_unlock(&gl->gl_lockref.lock); if (glops->go_sync) glops->go_sync(gl); - if (test_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags)) + if (test_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags)) { + /* + * The call to go_sync should have cleared out the ail list. + * If there are still items, we have a problem. We ought to + * withdraw, but we can't because the withdraw code also uses + * glocks. Warn about the error, dump the glock, then fall + * through and wait for logd to do the withdraw for us. + */ + 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_dump_glock(NULL, gl, true); + } glops->go_inval(gl, target == LM_ST_DEFERRED ? 0 : DIO_METADATA); - clear_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags); + clear_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags); + } gfs2_glock_hold(gl); if (sdp->sd_lockstruct.ls_ops->lm_lock) { |