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gfs2: Don't call cancel_delayed_work_sync from within delete work fun…
…ction commit 6bd1c7b upstream. Right now, we can end up calling cancel_delayed_work_sync from within delete_work_func via gfs2_lookup_by_inum -> gfs2_inode_lookup -> gfs2_cancel_delete_work. When that happens, it will result in a deadlock. Instead, gfs2_inode_lookup should skip the call to gfs2_cancel_delete_work when called from delete_work_func (blktype == GFS2_BLKST_UNLINKED). Reported-by: Alexander Ahring Oder Aring <aahringo@redhat.com> Fixes: a0e3cc6 ("gfs2: Turn gl_delete into a delayed work") Cc: stable@vger.kernel.org # v5.8+ Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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