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Subject[PATCH 2/2 v2] f2fs: make clean the page before writing
Change log from v1:
o fix to handle # of dirty pages

If a page is set to be written to the disk, we can make clean the page.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
fs/f2fs/inline.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 914b6d3..e27f290 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -84,7 +84,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
.type = DATA,
.rw = WRITE_SYNC | REQ_PRIO,
};
- int err;
+ int dirty, err;

f2fs_bug_on(F2FS_I_SB(dn->inode), page->index);

@@ -110,12 +110,17 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page)
kunmap_atomic(dst_addr);
SetPageUptodate(page);
no_update:
+ /* clear dirty state */
+ dirty = clear_page_dirty_for_io(page);
+
/* write data page to try to make data consistent */
set_page_writeback(page);

write_data_page(page, dn, &new_blk_addr, &fio);
update_extent_cache(new_blk_addr, dn);
f2fs_wait_on_page_writeback(page, DATA);
+ if (dirty)
+ inode_dec_dirty_pages(dn->inode);

/* clear inline data and flag after data writeback */
truncate_inline_data(dn->inode_page, 0);
--
2.1.1


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