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f2fs: introduce cp_control structure

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This patch add a new data structure to control checkpoint parameters.
Currently, it presents the reason of checkpoint such as is_umount and normal
sync.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2014-09-20 21:57:51 -07:00
parent 95dd897301
commit 75ab4cb830
6 changed files with 47 additions and 20 deletions
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16
fs/f2fs/checkpoint.c
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@@ -826,7 +826,7 @@ static void wait_on_all_pages_writeback(struct f2fs_sb_info *sbi)
finish_wait(&sbi->cp_wait, &wait);
}
static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
static void do_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
struct curseg_info *curseg = CURSEG_I(sbi, CURSEG_WARM_NODE);
@@ -894,7 +894,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
ckpt->cp_pack_start_sum = cpu_to_le32(1 + cp_payload_blks +
orphan_blocks);
if (is_umount) {
if (cpc->reason == CP_UMOUNT) {
set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
ckpt->cp_pack_total_block_count = cpu_to_le32(F2FS_CP_PACKS+
cp_payload_blks + data_sum_blocks +
@@ -948,7 +948,7 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
write_data_summaries(sbi, start_blk);
start_blk += data_sum_blocks;
if (is_umount) {
if (cpc->reason == CP_UMOUNT) {
write_node_summaries(sbi, start_blk);
start_blk += NR_CURSEG_NODE_TYPE;
}
@@ -988,12 +988,12 @@ static void do_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
/*
* We guarantee that this checkpoint procedure will not fail.
*/
void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
{
struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
unsigned long long ckpt_ver;
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "start block_ops");
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "start block_ops");
mutex_lock(&sbi->cp_mutex);
@@ -1004,7 +1004,7 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
if (block_operations(sbi))
goto out;
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish block_ops");
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish block_ops");
f2fs_submit_merged_bio(sbi, DATA, WRITE);
f2fs_submit_merged_bio(sbi, NODE, WRITE);
@@ -1023,13 +1023,13 @@ void write_checkpoint(struct f2fs_sb_info *sbi, bool is_umount)
flush_sit_entries(sbi);
/* unlock all the fs_lock[] in do_checkpoint() */
do_checkpoint(sbi, is_umount);
do_checkpoint(sbi, cpc);
unblock_operations(sbi);
stat_inc_cp_count(sbi->stat_info);
out:
mutex_unlock(&sbi->cp_mutex);
trace_f2fs_write_checkpoint(sbi->sb, is_umount, "finish checkpoint");
trace_f2fs_write_checkpoint(sbi->sb, cpc->reason, "finish checkpoint");
}
void init_ino_entry_info(struct f2fs_sb_info *sbi)