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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 | 951c30d135390a108f102b0f6e3cfa6241f2a1aa (patch) | |
| tree | d3184e177a7b47094ddf5a1e7540214de5b3a5e5 | |
| parent | flusher: Fix PF_FROZEN race (diff) | |
| download | linux-dev-951c30d135390a108f102b0f6e3cfa6241f2a1aa.tar.xz linux-dev-951c30d135390a108f102b0f6e3cfa6241f2a1aa.zip | |
writeback: remove the always false bdi_cap_writeback_dirty() test
This is dead code because no bdi flush thread will be started for
!bdi_cap_writeback_dirty bdi.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
| -rw-r--r-- | fs/fs-writeback.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 9d5360c4c2af..0306c8e7d6b5 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -614,7 +614,6 @@ static void writeback_inodes_wb(struct bdi_writeback *wb, struct writeback_control *wbc) { struct super_block *sb = wbc->sb, *pin_sb = NULL; - const int is_blkdev_sb = sb_is_blkdev_sb(sb); const unsigned long start = jiffies; /* livelock avoidance */ spin_lock(&inode_lock); @@ -635,23 +634,6 @@ static void writeback_inodes_wb(struct bdi_writeback *wb, continue; } - if (!bdi_cap_writeback_dirty(wb->bdi)) { - redirty_tail(inode); - if (is_blkdev_sb) { - /* - * Dirty memory-backed blockdev: the ramdisk - * driver does this. Skip just this inode - */ - continue; - } - /* - * Dirty memory-backed inode against a filesystem other - * than the kernel-internal bdev filesystem. Skip the - * entire superblock. - */ - break; - } - if (inode->i_state & (I_NEW | I_WILL_FREE)) { requeue_io(inode); continue; |