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| author | Wu Fengguang <fengguang.wu@gmail.com> | 2009-12-03 13:54:25 +0100 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-12-03 13:54:25 +0100 |
| commit | 0d99519efef15fd0cf84a849492c7b1deee1e4b7 (patch) | |
| tree | d0f9d922ef73f6b9c4529826878f3cc5567848fd /drivers/staging/pohmelfs | |
| parent | b17621fed6aa039387e35f9b4d34d98f213e5673 (diff) | |
| download | kernel_samsung_smdk4412-0d99519efef15fd0cf84a849492c7b1deee1e4b7.zip kernel_samsung_smdk4412-0d99519efef15fd0cf84a849492c7b1deee1e4b7.tar.gz kernel_samsung_smdk4412-0d99519efef15fd0cf84a849492c7b1deee1e4b7.tar.bz2 | |
writeback: remove unused nonblocking and congestion checks
- no one is calling wb_writeback and write_cache_pages with
wbc.nonblocking=1 any more
- lumpy pageout will want to do nonblocking writeback without the
congestion wait
So remove the congestion checks as suggested by Chris.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Alex Elder <aelder@sgi.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/staging/pohmelfs')
| -rw-r--r-- | drivers/staging/pohmelfs/inode.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index c94de31..f69b778 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -143,7 +143,6 @@ static int pohmelfs_writepages(struct address_space *mapping, struct writeback_c struct inode *inode = mapping->host; struct pohmelfs_inode *pi = POHMELFS_I(inode); struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb); - struct backing_dev_info *bdi = mapping->backing_dev_info; int err = 0; int done = 0; int nr_pages; @@ -152,11 +151,6 @@ static int pohmelfs_writepages(struct address_space *mapping, struct writeback_c int scanned = 0; int range_whole = 0; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - return 0; - } - if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ end = -1; @@ -248,10 +242,6 @@ retry: if (wbc->nr_to_write <= 0) done = 1; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - done = 1; - } continue; out_continue: |