[PATCH 11/19] f2fs: move get_page for gc victims

From: Jaegeuk Kim
Date: Fri May 01 2015 - 20:49:37 EST


This patch moves getting victim page into move_data_page.

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/gc.c | 28 +++++++++++++++-------------
1 file changed, 15 insertions(+), 13 deletions(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 72667a5..1bd11f0 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -518,14 +518,13 @@ static int check_dnode(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
return 1;
}

-static void move_data_page(struct inode *inode, struct page *page, int gc_type)
+static void move_data_page(struct inode *inode, block_t bidx, int gc_type)
{
- struct f2fs_io_info fio = {
- .sbi = F2FS_I_SB(inode),
- .type = DATA,
- .rw = WRITE_SYNC,
- .page = page,
- };
+ struct page *page;
+
+ page = get_lock_data_page(inode, bidx);
+ if (IS_ERR(page))
+ return;

if (gc_type == BG_GC) {
if (PageWriteback(page))
@@ -533,6 +532,12 @@ static void move_data_page(struct inode *inode, struct page *page, int gc_type)
set_page_dirty(page);
set_cold_data(page);
} else {
+ struct f2fs_io_info fio = {
+ .sbi = F2FS_I_SB(inode),
+ .type = DATA,
+ .rw = WRITE_SYNC,
+ .page = page,
+ };
f2fs_wait_on_page_writeback(page, DATA);

if (clear_page_dirty_for_io(page))
@@ -618,12 +623,9 @@ next_step:
/* phase 3 */
inode = find_gc_inode(gc_list, dni.ino);
if (inode) {
- start_bidx = start_bidx_of_node(nofs, F2FS_I(inode));
- data_page = get_lock_data_page(inode,
- start_bidx + ofs_in_node);
- if (IS_ERR(data_page))
- continue;
- move_data_page(inode, data_page, gc_type);
+ start_bidx = start_bidx_of_node(nofs, F2FS_I(inode))
+ + ofs_in_node;
+ move_data_page(inode, start_bidx, gc_type);
stat_inc_data_blk_count(sbi, 1, gc_type);
}
}
--
2.1.1

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