summaryrefslogtreecommitdiffstats
path: root/fs/f2fs
diff options
context:
space:
mode:
authorChao Yu <yuchao0@huawei.com>2016-07-03 22:05:13 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2016-07-08 10:33:26 -0700
commit72e1c797b57da42ce8f75c5636720f40c4f607a2 (patch)
treea40b43480bef62e66cfc7126235fb200b419384a /fs/f2fs
parent1563ac75e7e45adcdc1271e6bb55fe27a23d4e4e (diff)
downloadop-kernel-dev-72e1c797b57da42ce8f75c5636720f40c4f607a2.zip
op-kernel-dev-72e1c797b57da42ce8f75c5636720f40c4f607a2.tar.gz
f2fs: fix to redirty page if fail to gc data page
If we fail to move data page during foreground GC, we should give another chance to writeback that page which was set dirty previously by writer. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/gc.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index c9602d0..c612137 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -653,12 +653,23 @@ static void move_data_page(struct inode *inode, block_t bidx, int gc_type)
.page = page,
.encrypted_page = NULL,
};
+ bool is_dirty = PageDirty(page);
+ int err;
+
+retry:
set_page_dirty(page);
f2fs_wait_on_page_writeback(page, DATA, true);
if (clear_page_dirty_for_io(page))
inode_dec_dirty_pages(inode);
+
set_cold_data(page);
- do_write_data_page(&fio);
+
+ err = do_write_data_page(&fio);
+ if (err == -ENOMEM && is_dirty) {
+ congestion_wait(BLK_RW_ASYNC, HZ/50);
+ goto retry;
+ }
+
clear_cold_data(page);
}
out:
OpenPOWER on IntegriCloud