dquot_free_block() is called in the end of ext3_new_blocks() and updates
information of the inode structure. However, this update is not necessary
if the number of blocks we requested is equal to the number of
allocated blocks.
Signed-off-by: Kazuya Mio <k-mio@xxxxxxxxxxxxx>
---
fs/ext3/balloc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index a203892..954a7d3 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -1743,8 +1743,11 @@ allocated:
*errp = 0;
brelse(bitmap_bh);
- dquot_free_block(inode, *count-num);
- *count = num;
+
+ if (num < *count) {
+ dquot_free_block(inode, *count-num);
+ *count = num;
+ }
trace_ext3_allocate_blocks(inode, goal, num,
(unsigned long long)ret_block);
--
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