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The locking in gfs2_trans_add_data() and gfs2_trans_add_meta() doesn't follow the usual coding pattern of checking bh->b_private under lock, allocating a new bufdata object with the locks dropped, and re-checking once the lock has been reacquired. Both functions set bh->b_private without holding the buffer lock. Fix that. Also, in gfs2_trans_add_meta(), taking the folio lock during the allocation doesn't actually do anything useful. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
362 lines
9.9 KiB
362 lines
9.9 KiB