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-rw-r--r--fs/f2fs/checkpoint.c3
-rw-r--r--fs/f2fs/f2fs.h1
-rw-r--r--fs/f2fs/segment.c28
-rw-r--r--fs/f2fs/super.c7
-rw-r--r--include/linux/f2fs_fs.h1
-rw-r--r--include/trace/events/f2fs.h4
6 files changed, 35 insertions, 9 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c
index 2757890..ea9c317b 100644
--- a/fs/f2fs/checkpoint.c
+++ b/fs/f2fs/checkpoint.c
@@ -1059,6 +1059,9 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks)
disable_nat_bits(sbi, false);
+ if (cpc->reason & CP_TRIMMED)
+ __set_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
+
if (cpc->reason & CP_UMOUNT)
__set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);
else
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 37360b9..f0481fb 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -130,6 +130,7 @@ enum {
#define CP_SYNC 0x00000004
#define CP_RECOVERY 0x00000008
#define CP_DISCARD 0x00000010
+#define CP_TRIMMED 0x00000020
#define DEF_BATCHED_TRIM_SECTIONS 2048
#define BATCHED_TRIM_SEGMENTS(sbi) \
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 69b99a8..a32268e 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -3005,10 +3005,17 @@ static void build_sit_entries(struct f2fs_sb_info *sbi)
/* build discard map only one time */
if (f2fs_discard_en(sbi)) {
- memcpy(se->discard_map, se->cur_valid_map,
- SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks += sbi->blocks_per_seg -
- se->valid_blocks;
+ if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+ memset(se->discard_map, 0xff,
+ SIT_VBLOCK_MAP_SIZE);
+ } else {
+ memcpy(se->discard_map,
+ se->cur_valid_map,
+ SIT_VBLOCK_MAP_SIZE);
+ sbi->discard_blks +=
+ sbi->blocks_per_seg -
+ se->valid_blocks;
+ }
}
if (sbi->segs_per_sec > 1)
@@ -3032,10 +3039,15 @@ static void build_sit_entries(struct f2fs_sb_info *sbi)
seg_info_from_raw_sit(se, &sit);
if (f2fs_discard_en(sbi)) {
- memcpy(se->discard_map, se->cur_valid_map,
- SIT_VBLOCK_MAP_SIZE);
- sbi->discard_blks += old_valid_blocks -
- se->valid_blocks;
+ if (is_set_ckpt_flags(sbi, CP_TRIMMED_FLAG)) {
+ memset(se->discard_map, 0xff,
+ SIT_VBLOCK_MAP_SIZE);
+ } else {
+ memcpy(se->discard_map, se->cur_valid_map,
+ SIT_VBLOCK_MAP_SIZE);
+ sbi->discard_blks += old_valid_blocks -
+ se->valid_blocks;
+ }
}
if (sbi->segs_per_sec > 1)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 4cd3bee..9a14b25 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -797,6 +797,13 @@ static void f2fs_put_super(struct super_block *sb)
/* be sure to wait for any on-going discard commands */
f2fs_wait_discard_bios(sbi);
+ if (!sbi->discard_blks) {
+ struct cp_control cpc = {
+ .reason = CP_UMOUNT | CP_TRIMMED,
+ };
+ write_checkpoint(sbi, &cpc);
+ }
+
/* write_checkpoint can update stat informaion */
f2fs_destroy_stats(sbi);
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 093549e..b6feed6 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -114,6 +114,7 @@ struct f2fs_super_block {
/*
* For checkpoint
*/
+#define CP_TRIMMED_FLAG 0x00000100
#define CP_NAT_BITS_FLAG 0x00000080
#define CP_CRC_RECOVERY_FLAG 0x00000040
#define CP_FASTBOOT_FLAG 0x00000020
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 2e8f68f..c78a223 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -44,6 +44,7 @@ TRACE_DEFINE_ENUM(CP_FASTBOOT);
TRACE_DEFINE_ENUM(CP_SYNC);
TRACE_DEFINE_ENUM(CP_RECOVERY);
TRACE_DEFINE_ENUM(CP_DISCARD);
+TRACE_DEFINE_ENUM(CP_TRIMMED);
#define show_block_type(type) \
__print_symbolic(type, \
@@ -125,7 +126,8 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
{ CP_FASTBOOT, "Fastboot" }, \
{ CP_SYNC, "Sync" }, \
{ CP_RECOVERY, "Recovery" }, \
- { CP_DISCARD, "Discard" })
+ { CP_DISCARD, "Discard" }, \
+ { CP_UMOUNT | CP_TRIMMED, "Umount,Trimmed" })
struct victim_sel_policy;
struct f2fs_map_blocks;
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