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| author | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 21:30:10 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 21:30:10 -0400 |
| commit | bd2d0210cf22f2bd0cef72eb97cf94fc7d31d8cc (patch) | |
| tree | f0d1902b7ff4294114614cc706855c3d6b131f73 /fs/ext4/extents.c | |
| parent | 1de3e3df917459422cb2aecac440febc8879d410 (diff) | |
| download | kernel_samsung_smdk4412-bd2d0210cf22f2bd0cef72eb97cf94fc7d31d8cc.zip kernel_samsung_smdk4412-bd2d0210cf22f2bd0cef72eb97cf94fc7d31d8cc.tar.gz kernel_samsung_smdk4412-bd2d0210cf22f2bd0cef72eb97cf94fc7d31d8cc.tar.bz2 | |
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.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index a0e6230..a1e20c8 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); |