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authorLinus Torvalds <torvalds@linux-foundation.org>2013-05-14 09:30:54 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-05-14 09:30:54 -0700
commitb973425cbb51e08301b34fecdfd476a44507d8cf (patch)
tree689cfb1e5bb3064f4fad6b381bb208c3ed54cf64 /fs/ext4/mballoc.c
parent7fb30d2b606beb78cda805647faf4d3cdfb39c42 (diff)
parente2555fde4159467fb579e6ae3c0a8fc33015d0f5 (diff)
Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 update from Ted Ts'o: "Fixed regressions (two stability regressions and a performance regression) introduced during the 3.10-rc1 merge window. Also included is a bug fix relating to allocating blocks after resizing an ext3 file system when using the ext4 file system driver" * tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: jbd,jbd2: fix oops in jbd2_journal_put_journal_head() ext4: revert "ext4: use io_end for multiple bios" ext4: limit group search loop for non-extent files ext4: fix fio regression
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r--fs/ext4/mballoc.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index b1ed9e07434..def84082a9a 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -2105,7 +2105,11 @@ repeat:
group = ac->ac_g_ex.fe_group;
for (i = 0; i < ngroups; group++, i++) {
- if (group == ngroups)
+ /*
+ * Artificially restricted ngroups for non-extent
+ * files makes group > ngroups possible on first loop.
+ */
+ if (group >= ngroups)
group = 0;
/* This now checks without needing the buddy page */