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authorAndreas Gruenbacher <agruenba@redhat.com>2019-01-30 21:30:36 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2019-01-31 11:45:11 -0800
commite74c98ca2d6ae4376cc15fa2a22483430909d96b (patch)
tree5ae8c76727a609e78aca49dd63030a984444265f /fs/gfs2
parent9f789567142c0cd1ffd6c28c56eed40cb36495ca (diff)
gfs2: Revert "Fix loop in gfs2_rbm_find"
This reverts commit 2d29f6b96d8f80322ed2dd895bca590491c38d34. It turns out that the fix can lead to a ~20 percent performance regression in initial writes to the page cache according to iozone. Let's revert this for now to have more time for a proper fix. Cc: stable@vger.kernel.org # v3.13+ Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/gfs2')
-rw-r--r--fs/gfs2/rgrp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 831d7cb5a49c..17a8d3b43990 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -1780,9 +1780,9 @@ static int gfs2_rbm_find(struct gfs2_rbm *rbm, u8 state, u32 *minext,
goto next_iter;
}
if (ret == -E2BIG) {
- n += rbm->bii - initial_bii;
rbm->bii = 0;
rbm->offset = 0;
+ n += (rbm->bii - initial_bii);
goto res_covered_end_of_rgrp;
}
return ret;