linux-kernel - [f2fs-dev][PATCH 2/2 v2] f2fs: invalidate xattr node page when evict inode

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Message-id: <001d01cfaf87$3664dfa0$a32e9ee0$@samsung.com>
Date:	Mon, 04 Aug 2014 09:54:58 +0800
From:	Chao Yu <chao2.yu@...sung.com>
To:	Jaegeuk Kim <jaegeuk@...nel.org>,
	Changman Lee <cm224.lee@...sung.com>
Cc:	linux-f2fs-devel@...ts.sourceforge.net,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [f2fs-dev][PATCH 2/2 v2] f2fs: invalidate xattr node page when evict
 inode

When inode is evicted, all the page cache belong to this inode should be
released including the xattr node page. But previously we didn't do this, this
patch fixed this issue.

v2:
 o reposition invalidate_mapping_pages() to the right place suggested by
Jaegeuk Kim.

Signed-off-by: Chao Yu <chao2.yu@...sung.com>
---
 fs/f2fs/inode.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 0e69aa9..2c39999 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -267,6 +267,7 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc)
 void f2fs_evict_inode(struct inode *inode)
 {
 	struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
+	nid_t xnid = F2FS_I(inode)->i_xattr_nid;
 
 	trace_f2fs_evict_inode(inode);
 	truncate_inode_pages_final(&inode->i_data);
@@ -296,6 +297,8 @@ void f2fs_evict_inode(struct inode *inode)
 	sb_end_intwrite(inode->i_sb);
 no_delete:
 	invalidate_mapping_pages(NODE_MAPPING(sbi), inode->i_ino, inode->i_ino);
+	if (xnid)
+		invalidate_mapping_pages(NODE_MAPPING(sbi), xnid, xnid);
 	if (is_inode_flag_set(F2FS_I(inode), FI_APPEND_WRITE))
 		add_dirty_inode(sbi, inode->i_ino, APPEND_INO);
 	if (is_inode_flag_set(F2FS_I(inode), FI_UPDATE_WRITE))
-- 
2.0.1.474.g72c7794


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