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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-14 20:30:54 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-05-14 20:30:54 +0400 |
| commit | b973425cbb51e08301b34fecdfd476a44507d8cf (patch) | |
| tree | 689cfb1e5bb3064f4fad6b381bb208c3ed54cf64 /fs/ext4/mballoc.c | |
| parent | 7fb30d2b606beb78cda805647faf4d3cdfb39c42 (diff) | |
| parent | e2555fde4159467fb579e6ae3c0a8fc33015d0f5 (diff) | |
| download | linux-b973425cbb51e08301b34fecdfd476a44507d8cf.tar.xz | |
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.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index b1ed9e07434b..def84082a9a9 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 */ |