Hi Jaegeuk, > -----Original Message----- > From: Jaegeuk Kim [mailto:jaeg...@kernel.org] > Sent: Saturday, August 02, 2014 10:42 PM > To: Chao Yu > Cc: Changman Lee; linux-f2fs-de...@lists.sourceforge.net; > linux-fsde...@vger.kernel.org; > linux-kernel@vger.kernel.org > Subject: Re: [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...@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.
Yes, IMO, it will be OK now when using above implementation because we will invalidate this xattr page in truncate_node(), but I'd like use your method because it's better to guarantee invalidating xattr page by evict_inode itself. I will send a v2 patch, and thanks for your suggestion. Regards, Yu > > Thanks, > > > + > > if (inode->i_ino == F2FS_NODE_INO(sbi) || > > inode->i_ino == F2FS_META_INO(sbi)) > > goto out_clear; > > -- > > 2.0.1.474.g72c7794 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
