linux-kernel - [PATCH 2/3] f2fs: fix to decrease the number of dirty dentry page

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Message-id: <1397559423-27411-2-git-send-email-jaegeuk.kim@samsung.com>
Date:	Tue, 15 Apr 2014 19:57:02 +0900
From:	Jaegeuk Kim <jaegeuk.kim@...sung.com>
To:	unlisted-recipients:; (no To-header on input)
Cc:	Jaegeuk Kim <jaegeuk.kim@...sung.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-f2fs-devel@...ts.sourceforge.net
Subject: [PATCH 2/3] f2fs: fix to decrease the number of dirty dentry page

The f2fs_write_data_page should decrease the number of dirty dentry page
all the time.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@...sung.com>
---
 fs/f2fs/data.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 45abd60..9a3fa38 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -790,6 +790,8 @@ static int f2fs_write_data_page(struct page *page,
 		.rw = (wbc->sync_mode == WB_SYNC_ALL) ? WRITE_SYNC : WRITE,
 	};
 
+	inode_dec_dirty_dents(inode);
+
 	if (page->index < end_index)
 		goto write;
 
@@ -798,10 +800,8 @@ static int f2fs_write_data_page(struct page *page,
 	 * this page does not have to be written to disk.
 	 */
 	offset = i_size & (PAGE_CACHE_SIZE - 1);
-	if ((page->index >= end_index + 1) || !offset) {
-		inode_dec_dirty_dents(inode);
+	if ((page->index >= end_index + 1) || !offset)
 		goto out;
-	}
 
 	zero_user_segment(page, offset, PAGE_CACHE_SIZE);
 write:
@@ -810,7 +810,6 @@ write:
 
 	/* Dentry blocks are controlled by checkpoint */
 	if (S_ISDIR(inode->i_mode)) {
-		inode_dec_dirty_dents(inode);
 		err = do_write_data_page(page, &fio);
 		goto done;
 	}
-- 
1.8.4.474.g128a96c

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