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f2fs: give a chance to detach from dirty list

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If there is no dirty pages in inode, we should give a chance to detach
the inode from global dirty list, otherwise it needs to call another
unnecessary .writepages for detaching.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2016-10-11 22:57:01 +08:00
committed by Jaegeuk Kim
parent 2dd15654ac
commit 933439c8f3
6 changed files with 16 additions and 6 deletions
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8
fs/f2fs/data.c
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@@ -1785,12 +1785,14 @@ void f2fs_invalidate_page(struct page *page, unsigned int offset,
return;
if (PageDirty(page)) {
if (inode->i_ino == F2FS_META_INO(sbi))
if (inode->i_ino == F2FS_META_INO(sbi)) {
dec_page_count(sbi, F2FS_DIRTY_META);
else if (inode->i_ino == F2FS_NODE_INO(sbi))
} else if (inode->i_ino == F2FS_NODE_INO(sbi)) {
dec_page_count(sbi, F2FS_DIRTY_NODES);
else
} else {
inode_dec_dirty_pages(inode);
remove_dirty_inode(inode);
}
}
/* This is atomic written page, keep Private */