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SubjectRe: [f2fs-dev][PATCH 2/2] f2fs: invalidate xattr node page when evict inode
Hi Chao,

On Thu, Jul 31, 2014 at 09:13:11PM +0800, Chao Yu wrote:
> 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.
>
> Signed-off-by: Chao Yu <chao2.yu@samsung.com>
> ---
> fs/f2fs/inode.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
> index 0e69aa9..8a5403b 100644
> --- a/fs/f2fs/inode.c
> +++ b/fs/f2fs/inode.c
> @@ -267,10 +267,16 @@ 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);
> + struct f2fs_inode_info *fi = F2FS_I(inode);
>
> trace_f2fs_evict_inode(inode);
> +
> truncate_inode_pages_final(&inode->i_data);
>
> + if (fi->i_xattr_nid)
> + invalidate_mapping_pages(NODE_MAPPING(sbi),
> + fi->i_xattr_nid, fi->i_xattr_nid);

It would be good to place this below with invalidate_mapping_paages(ino).
Since, in the case of deletion, we need to get the xattr node page again
on the remove_inode_page call path.

Thanks,

> +
> if (inode->i_ino == F2FS_NODE_INO(sbi) ||
> inode->i_ino == F2FS_META_INO(sbi))
> goto out_clear;
> --
> 2.0.1.474.g72c7794


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