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author | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:03:10 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2017-03-20 12:03:10 +0800 |
commit | e0d60977f25c7a33b2acda240a1d121bf0a35deb (patch) | |
tree | 4f930533fa1e36e0ec75ee8bcaa82d2320985a2c /fs/ext4/mballoc.c | |
parent | 4304568925f8191755da36df5c61abb69db9b1b0 (diff) | |
parent | 1c563c0006661025d7a6c9bc85fc889a4e8a1c06 (diff) |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-17.03-android
Diffstat (limited to 'fs/ext4/mballoc.c')
-rw-r--r-- | fs/ext4/mballoc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index be1227c196d8..c2810503eb50 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -3121,6 +3121,13 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac, if (ar->pright && start + size - 1 >= ar->lright) size -= start + size - ar->lright; + /* + * Trim allocation request for filesystems with artificially small + * groups. + */ + if (size > EXT4_BLOCKS_PER_GROUP(ac->ac_sb)) + size = EXT4_BLOCKS_PER_GROUP(ac->ac_sb); + end = start + size; /* check we don't cross already preallocated blocks */ |