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authorTheodore Ts'o <tytso@mit.edu>2010-10-27 21:30:10 -0400
committerTheodore Ts'o <tytso@mit.edu>2010-10-27 21:30:10 -0400
commitbd2d0210cf22f2bd0cef72eb97cf94fc7d31d8cc (patch)
treef0d1902b7ff4294114614cc706855c3d6b131f73 /fs/ext4/extents.c
parent1de3e3df917459422cb2aecac440febc8879d410 (diff)
ext4: use bio layer instead of buffer layer in mpage_da_submit_io
Call the block I/O layer directly instad of going through the buffer layer. This should give us much better performance and scalability, as well as lowering our CPU utilization when doing buffered writeback. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/extents.c')
-rw-r--r--fs/ext4/extents.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a0e623055955..a1e20c8c4e0c 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -3202,7 +3202,7 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
* completed
*/
if (io)
- io->flag = EXT4_IO_UNWRITTEN;
+ io->flag = EXT4_IO_END_UNWRITTEN;
else
ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN);
if (ext4_should_dioread_nolock(inode))
@@ -3494,7 +3494,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
*/
if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
if (io)
- io->flag = EXT4_IO_UNWRITTEN;
+ io->flag = EXT4_IO_END_UNWRITTEN;
else
ext4_set_inode_state(inode,
EXT4_STATE_DIO_UNWRITTEN);