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authorBob Peterson <rpeterso@redhat.com>2020-05-07 20:12:23 +0300
committerBob Peterson <rpeterso@redhat.com>2020-05-08 23:00:07 +0300
commitb11e1a84f370866a8f47e85040687b49c1eb8705 (patch)
tree45d226c4e92f0ad5eff829f70a79f1fb4bf1e6a5 /fs/gfs2
parentf4e2f5e1a527ce58fc9f85145b03704779a3123e (diff)
downloadlinux-b11e1a84f370866a8f47e85040687b49c1eb8705.tar.xz
gfs2: If go_sync returns error, withdraw but skip invalidate
Before this patch, if the go_sync operation returned an error during the do_xmote process (such as unable to sync metadata to the journal) the code did goto out. That kept the glock locked, so it could not be given away, which correctly avoids file system corruption. However, it never set the withdraw bit or requeueing the glock work. So it would hang forever, unable to ever demote the glock. This patch changes to goto to a new label, skip_inval, so that errors from go_sync are treated the same way as errors from go_inval: The delayed withdraw bit is set and the work is requeued. That way, the logd should eventually figure out there's a problem and withdraw properly there. 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.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index a1c5f245553f..5239098fcce6 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -613,7 +613,7 @@ __acquires(&gl->gl_lockref.lock)
fs_err(sdp, "Error %d syncing glock \n", ret);
gfs2_dump_glock(NULL, gl, true);
}
- goto out;
+ goto skip_inval;
}
}
if (test_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags)) {
@@ -633,6 +633,7 @@ __acquires(&gl->gl_lockref.lock)
clear_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags);
}
+skip_inval:
gfs2_glock_hold(gl);
/*
* Check for an error encountered since we called go_sync and go_inval.