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Date: Thu, 13 Apr 2023 00:50:54 +0800
From: Yangtao Li <frank.li@...o.com>
To: Jaegeuk Kim <jaegeuk@...nel.org>, Chao Yu <chao@...nel.org>
Cc: Yangtao Li <frank.li@...o.com>,
linux-f2fs-devel@...ts.sourceforge.net,
linux-kernel@...r.kernel.org
Subject: [PATCH] f2fs: export gc_mode in debugfs
This patch exports gc_mode to debugfs. Since gc_urgent and gc_idle
nodes can get gc mode, so remove gc_mode node.
Signed-off-by: Yangtao Li <frank.li@...o.com>
---
Documentation/ABI/testing/sysfs-fs-f2fs | 6 ------
fs/f2fs/debug.c | 13 ++++++++++++-
fs/f2fs/sysfs.c | 18 ------------------
3 files changed, 12 insertions(+), 25 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 8140fc98f5ae..3b78b8324263 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -643,12 +643,6 @@ Contact: "Daeho Jeong" <daehojeong@...gle.com>
Description: Show the accumulated total revoked atomic write block count after boot.
If you write "0" here, you can initialize to "0".
-What: /sys/fs/f2fs/<disk>/gc_mode
-Date: October 2022
-Contact: "Yangtao Li" <frank.li@...o.com>
-Description: Show the current gc_mode as a string.
- This is a read-only entry.
-
What: /sys/fs/f2fs/<disk>/discard_urgent_util
Date: November 2022
Contact: "Yangtao Li" <frank.li@...o.com>
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index 61c35b59126e..5172b2417c08 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -366,6 +366,16 @@ static const char *ipu_mode_names[F2FS_IPU_MAX] = {
[F2FS_IPU_HONOR_OPU_WRITE] = "HONOR_OPU_WRITE",
};
+static const char *gc_mode_names[MAX_GC_MODE] = {
+ [GC_NORMAL] = "GC_NORMAL",
+ [GC_IDLE_CB] = "GC_IDLE_CB",
+ [GC_IDLE_GREEDY] = "GC_IDLE_GREEDY",
+ [GC_IDLE_AT] = "GC_IDLE_AT",
+ [GC_URGENT_HIGH] = "GC_URGENT_HIGH",
+ [GC_URGENT_LOW] = "GC_URGENT_LOW",
+ [GC_URGENT_MID] = "GC_URGENT_MID",
+};
+
static int stat_show(struct seq_file *s, void *v)
{
struct f2fs_stat_info *si;
@@ -409,7 +419,8 @@ static int stat_show(struct seq_file *s, void *v)
for_each_set_bit(j, &policy, F2FS_IPU_MAX)
seq_printf(s, " %s", ipu_mode_names[j]);
}
- seq_puts(s, " ]\n\n");
+ seq_puts(s, " ]\n");
+ seq_printf(s, " - GC: [ %s ]\n\n", gc_mode_names[sbi->gc_mode]);
if (test_opt(sbi, DISCARD))
seq_printf(s, "Utilization: %u%% (%u valid blocks, %u discard blocks)\n",
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 4d6263e556fa..c2873a94f7b2 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -41,16 +41,6 @@ enum {
ATGC_INFO, /* struct atgc_management */
};
-static const char *gc_mode_names[MAX_GC_MODE] = {
- "GC_NORMAL",
- "GC_IDLE_CB",
- "GC_IDLE_GREEDY",
- "GC_IDLE_AT",
- "GC_URGENT_HIGH",
- "GC_URGENT_LOW",
- "GC_URGENT_MID"
-};
-
struct f2fs_attr {
struct attribute attr;
ssize_t (*show)(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf);
@@ -143,12 +133,6 @@ static ssize_t pending_discard_show(struct f2fs_attr *a,
&SM_I(sbi)->dcc_info->discard_cmd_cnt));
}
-static ssize_t gc_mode_show(struct f2fs_attr *a,
- struct f2fs_sb_info *sbi, char *buf)
-{
- return sysfs_emit(buf, "%s\n", gc_mode_names[sbi->gc_mode]);
-}
-
static ssize_t features_show(struct f2fs_attr *a,
struct f2fs_sb_info *sbi, char *buf)
{
@@ -916,7 +900,6 @@ F2FS_GENERAL_RO_ATTR(encoding);
F2FS_GENERAL_RO_ATTR(mounted_time_sec);
F2FS_GENERAL_RO_ATTR(main_blkaddr);
F2FS_GENERAL_RO_ATTR(pending_discard);
-F2FS_GENERAL_RO_ATTR(gc_mode);
#ifdef CONFIG_F2FS_STAT_FS
F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_foreground_calls, cp_count);
F2FS_STAT_ATTR(STAT_INFO, f2fs_stat_info, cp_background_calls, bg_cp_count);
@@ -1008,7 +991,6 @@ static struct attribute *f2fs_attrs[] = {
ATTR_LIST(discard_granularity),
ATTR_LIST(max_ordered_discard),
ATTR_LIST(pending_discard),
- ATTR_LIST(gc_mode),
ATTR_LIST(ipu_policy),
ATTR_LIST(min_ipu_util),
ATTR_LIST(min_fsync_blocks),
--
2.35.1
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