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f2fs: give a try to do atomic write in -ENOMEM case 

It'd be better to retry writing atomic pages when we get -ENOMEM.

Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-07-19 10:59:55 -07:00
parent 14af20fcb1
commit 640cc18982
1 changed files with 6 additions and 2 deletions
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8
fs/f2fs/segment.c
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@ -309,17 +309,21 @@ static int __commit_inmem_pages(struct inode *inode,
inode_dec_dirty_pages(inode);
remove_dirty_inode(inode);
}
retry:
fio.page = page;
fio.old_blkaddr = NULL_ADDR;
fio.encrypted_page = NULL;
fio.need_lock = LOCK_DONE;
err = do_write_data_page(&fio);
if (err) {
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC, HZ/50);
cond_resched();
goto retry;
}
unlock_page(page);
break;
}
/* record old blkaddr for revoking */
cur->old_addr = fio.old_blkaddr;
last_idx = page->index;