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gfs2: Fix loop in gfs2_rbm_find
authorAndreas Gruenbacher <agruenba@redhat.com>
Tue, 4 Dec 2018 14:06:27 +0000 (15:06 +0100)
committerAndreas Gruenbacher <agruenba@redhat.com>
Wed, 12 Dec 2018 11:31:40 +0000 (12:31 +0100)
commit2d29f6b96d8f80322ed2dd895bca590491c38d34
tree877948d8393475521078ca144b505078f641921ctree | snapshot
parent6ff9b09e00a441599f3aacdf577254455a048bc9commit | diff
gfs2: Fix loop in gfs2_rbm_find

Fix the resource group wrap-around logic in gfs2_rbm_find that commit
e579ed4f44 broke.  The bug can lead to unnecessary repeated scanning of the
same bitmaps; there is a risk that future changes will turn this into an
endless loop.

Fixes: e579ed4f44 ("GFS2: Introduce rbm field bii")
Cc: stable@vger.kernel.org # v3.13+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
fs/gfs2/rgrp.c diff | blob | history
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