ext4: Use inode preallocation with -o noextents

When mballoc is enabled, block allocation for old block-based
files are allocated using mballoc allocator instead of old
block-based allocator. The old ext3 block reservation is turned
off when mballoc is turned on.

However, the in-core preallocation is not enabled for block-based/
non-extent based file block allocation. This result in performance
regression, as now we don't have "reservation" ore in-core preallocation
to prevent interleaved fragmentation in multiple writes workload.

This patch fix this by enable per inode in-core preallocation
for non extent files when mballoc is used.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 17ea8bb12aa5..c729b3507b46 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -187,7 +187,7 @@ ext4_ext_new_block(handle_t *handle, struct inode *inode,
         ext4_fsblk_t goal, newblock;
 
         goal = ext4_ext_find_goal(inode, path, le32_to_cpu(ex->ee_block));
-        newblock = ext4_new_block(handle, inode, goal, err);
+        newblock = ext4_new_meta_block(handle, inode, goal, err);
         return newblock;
 }