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ceph: try to dump the msgs when decoding fails

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[ Upstream commit 8b0da5c549 ]

When the msgs are corrupted we need to dump them and then it will
be easier to dig what has happened and where the issue is.

Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Xiubo Li 2023-05-18 09:40:14 +08:00 committed by Greg Kroah-Hartman
parent c68268e1ba
commit 6eb77ac68f
1 changed files with 4 additions and 0 deletions
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4
fs/ceph/mds_client.c
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@ -645,6 +645,7 @@ bad:
err = -EIO;
out_bad:
pr_err("mds parse_reply err %d\n", err);
ceph_msg_dump(msg);
return err;
}
@ -3538,6 +3539,7 @@ static void handle_forward(struct ceph_mds_client *mdsc,
bad:
pr_err("mdsc_handle_forward decode error err=%d\n", err);
ceph_msg_dump(msg);
}
static int __decode_session_metadata(void **p, void *end,
@ -5258,6 +5260,7 @@ void ceph_mdsc_handle_fsmap(struct ceph_mds_client *mdsc, struct ceph_msg *msg)
bad:
pr_err("error decoding fsmap %d. Shutting down mount.\n", err);
ceph_umount_begin(mdsc->fsc->sb);
ceph_msg_dump(msg);
err_out:
mutex_lock(&mdsc->mutex);
mdsc->mdsmap_err = err;
@ -5326,6 +5329,7 @@ bad_unlock:
bad:
pr_err("error decoding mdsmap %d. Shutting down mount.\n", err);
ceph_umount_begin(mdsc->fsc->sb);
ceph_msg_dump(msg);
return;
}