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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2019-01-30 21:30:36 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-06 19:43:07 +0100 |
| commit | 970e5c267cf0c803058e373389b76b4b37c07eb8 (patch) | |
| tree | 085ee08e3e8b018d009652a7afff4c6d654049a6 /fs | |
| parent | 7685bb0efb0c9ecec18abe9c6226243014222344 (diff) | |
| download | linux-stable-970e5c267cf0c803058e373389b76b4b37c07eb8.tar.gz linux-stable-970e5c267cf0c803058e373389b76b4b37c07eb8.tar.bz2 linux-stable-970e5c267cf0c803058e373389b76b4b37c07eb8.zip | |
gfs2: Revert "Fix loop in gfs2_rbm_find"
commit e74c98ca2d6ae4376cc15fa2a22483430909d96b upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/gfs2/rgrp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 763fe7737065..ef24894edecc 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -1720,9 +1720,9 @@ 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; |