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-rw-r--r--fs/nilfs2/alloc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nilfs2/alloc.c b/fs/nilfs2/alloc.c
index 235b959fc..bbd82f650 100644
--- a/fs/nilfs2/alloc.c
+++ b/fs/nilfs2/alloc.c
@@ -205,7 +205,8 @@ static int nilfs_palloc_get_block(struct inode *inode, unsigned long blkoff,
int ret;
spin_lock(lock);
- if (prev->bh && blkoff == prev->blkoff) {
+ if (prev->bh && blkoff == prev->blkoff &&
+ likely(buffer_uptodate(prev->bh))) {
get_bh(prev->bh);
*bhp = prev->bh;
spin_unlock(lock);