Ping, On 2016/5/21 13:19, Chao Yu wrote: > From: Chao Yu <[email protected]> > > If we fail to move data page during foreground GC, we should give another > chance to writeback that page which was set dirty previously by writer. > > Signed-off-by: Chao Yu <[email protected]> > --- > fs/f2fs/gc.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c > index 38d56f6..ee213a8 100644 > --- a/fs/f2fs/gc.c > +++ b/fs/f2fs/gc.c > @@ -653,12 +653,15 @@ static void move_data_page(struct inode *inode, block_t > bidx, int gc_type) > .page = page, > .encrypted_page = NULL, > }; > + bool is_dirty = PageDirty(page); > + > set_page_dirty(page); > f2fs_wait_on_page_writeback(page, DATA, true); > if (clear_page_dirty_for_io(page)) > inode_dec_dirty_pages(inode); > set_cold_data(page); > - do_write_data_page(&fio); > + if (do_write_data_page(&fio) && is_dirty) > + set_page_dirty(page); > clear_cold_data(page); > } > out: >
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