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Date:	Sat, 12 Jul 2014 20:10:00 +0800
From:	Huang Ying <>
To:	Jaegeuk Kim <>,
	Changman Lee <>
Cc:,, Huang Ying <>
Subject: [PATCH v2] f2fs: Add f2fs_balance_fs for direct IO

Otherwise, if a large amount of direct IO writes were done, the
segment allocation may be failed because no enough segments are gced.


v2: add f2fs_balance_fs into __get_data_block instead of f2fs_direct_IO.

Signed-off-by: Huang, Ying <>
 fs/f2fs/data.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -626,8 +626,10 @@ static int __get_data_block(struct inode
 	if (check_extent_cache(inode, pgofs, bh_result))
 		goto out;
-	if (create)
+	if (create) {
+		f2fs_balance_fs(sbi);
+	}
 	/* When reading holes, we need its node page */
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
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