This is dead code because no bdi flush thread will be started for !bdi_cap_writeback_dirty bdis. CC: Jens Axboe Signed-off-by: Wu Fengguang --- fs/fs-writeback.c | 18 ------------------ 1 file changed, 18 deletions(-) --- linux.orig/fs/fs-writeback.c 2009-11-18 16:25:51.000000000 +0800 +++ linux/fs/fs-writeback.c 2009-11-18 16:26:04.000000000 +0800 @@ -597,7 +597,6 @@ static void writeback_inodes_wb(struct b 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); @@ -618,23 +617,6 @@ static void writeback_inodes_wb(struct b 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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/