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-rw-r--r--Documentation/ABI/testing/sysfs-fs-f2fs7
-rw-r--r--fs/f2fs/f2fs.h5
-rw-r--r--fs/f2fs/segment.c11
-rw-r--r--fs/f2fs/super.c4
-rw-r--r--fs/f2fs/sysfs.c3
5 files changed, 27 insertions, 3 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index a7ce33199457..91822ce25831 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -86,6 +86,13 @@ Description:
The unit size is one block, now only support configuring in range
of [1, 512].
+What: /sys/fs/f2fs/<disk>/umount_discard_timeout
+Date: January 2019
+Contact: "Jaegeuk Kim" <jaegeuk@kernel.org>
+Description:
+ Set timeout to issue discard commands during umount.
+ Default: 5 secs
+
What: /sys/fs/f2fs/<disk>/max_victim_search
Date: January 2014
Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 0f564883e078..6b6ec5600089 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -191,6 +191,7 @@ enum {
#define DEF_CP_INTERVAL 60 /* 60 secs */
#define DEF_IDLE_INTERVAL 5 /* 5 secs */
#define DEF_DISABLE_INTERVAL 5 /* 5 secs */
+#define DEF_UMOUNT_DISCARD_TIMEOUT 5 /* 5 secs */
struct cp_control {
int reason;
@@ -310,6 +311,7 @@ struct discard_policy {
bool sync; /* submit discard with REQ_SYNC flag */
bool ordered; /* issue discard by lba order */
unsigned int granularity; /* discard granularity */
+ int timeout; /* discard timeout for put_super */
};
struct discard_cmd_control {
@@ -1110,6 +1112,7 @@ enum {
DISCARD_TIME,
GC_TIME,
DISABLE_TIME,
+ UMOUNT_DISCARD_TIMEOUT,
MAX_TIME,
};
@@ -3006,7 +3009,7 @@ void f2fs_invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
-bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi);
+bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
struct cp_control *cpc);
void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 9b79056d705d..5b2b9be6f28d 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1037,6 +1037,7 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi,
dpolicy->max_requests = DEF_MAX_DISCARD_REQUEST;
dpolicy->io_aware_gran = MAX_PLIST_NUM;
+ dpolicy->timeout = 0;
if (discard_type == DPOLICY_BG) {
dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
@@ -1424,7 +1425,14 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi,
int i, issued = 0;
bool io_interrupted = false;
+ if (dpolicy->timeout != 0)
+ f2fs_update_time(sbi, dpolicy->timeout);
+
for (i = MAX_PLIST_NUM - 1; i >= 0; i--) {
+ if (dpolicy->timeout != 0 &&
+ f2fs_time_over(sbi, dpolicy->timeout))
+ break;
+
if (i + 1 < dpolicy->granularity)
break;
@@ -1611,7 +1619,7 @@ void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi)
}
/* This comes from f2fs_put_super */
-bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
+bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi)
{
struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
struct discard_policy dpolicy;
@@ -1619,6 +1627,7 @@ bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
__init_discard_policy(sbi, &dpolicy, DPOLICY_UMOUNT,
dcc->discard_granularity);
+ dpolicy.timeout = UMOUNT_DISCARD_TIMEOUT;
__issue_discard_cmd(sbi, &dpolicy);
dropped = __drop_discard_cmd(sbi);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index ea514acede36..24efd76ca151 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1048,7 +1048,7 @@ static void f2fs_put_super(struct super_block *sb)
}
/* be sure to wait for any on-going discard commands */
- dropped = f2fs_wait_discard_bios(sbi);
+ dropped = f2fs_issue_discard_timeout(sbi);
if ((f2fs_hw_support_discard(sbi) || f2fs_hw_should_discard(sbi)) &&
!sbi->discard_blks && !dropped) {
@@ -2706,6 +2706,8 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
sbi->interval_time[DISCARD_TIME] = DEF_IDLE_INTERVAL;
sbi->interval_time[GC_TIME] = DEF_IDLE_INTERVAL;
sbi->interval_time[DISABLE_TIME] = DEF_DISABLE_INTERVAL;
+ sbi->interval_time[UMOUNT_DISCARD_TIMEOUT] =
+ DEF_UMOUNT_DISCARD_TIMEOUT;
clear_sbi_flag(sbi, SBI_NEED_FSCK);
for (i = 0; i < NR_COUNT_TYPE; i++)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 5b83e1d66cb3..18c627e8fc90 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -426,6 +426,8 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, idle_interval, interval_time[REQ_TIME]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, discard_idle_interval,
interval_time[DISCARD_TIME]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle_interval, interval_time[GC_TIME]);
+F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info,
+ umount_discard_timeout, interval_time[UMOUNT_DISCARD_TIMEOUT]);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, readdir_ra, readdir_ra);
F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_pin_file_thresh, gc_pin_file_threshold);
@@ -483,6 +485,7 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(idle_interval),
ATTR_LIST(discard_idle_interval),
ATTR_LIST(gc_idle_interval),
+ ATTR_LIST(umount_discard_timeout),
ATTR_LIST(iostat_enable),
ATTR_LIST(readdir_ra),
ATTR_LIST(gc_pin_file_thresh),