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authorYangtao Li <frank.li@vivo.com>2022-10-25 06:32:16 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2022-11-02 03:56:04 +0300
commita3951cd199a5d26138532d4e55af41262237632e (patch)
treeb5513dadf073a18d341e2f49d66820e7541c7039 /fs/f2fs/sysfs.c
parent7b02b2201893a71b881026cf574902019ab00db5 (diff)
downloadlinux-a3951cd199a5d26138532d4e55af41262237632e.tar.xz
f2fs: introduce gc_mode sysfs node
Revert "f2fs: make gc_urgent and gc_segment_mode sysfs node readable". Add a gc_mode sysfs node to show the current gc_mode as a string. Signed-off-by: Yangtao Li <frank.li@vivo.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
-rw-r--r--fs/f2fs/sysfs.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c
index 8095345ebdad..1fbd41c48328 100644
--- a/fs/f2fs/sysfs.c
+++ b/fs/f2fs/sysfs.c
@@ -143,6 +143,12 @@ 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)
{
@@ -332,13 +338,8 @@ static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
return sysfs_emit(buf, "%u\n", sbi->compr_new_inode);
#endif
- if (!strcmp(a->attr.name, "gc_urgent"))
- return sysfs_emit(buf, "%s\n",
- gc_mode_names[sbi->gc_mode]);
-
if (!strcmp(a->attr.name, "gc_segment_mode"))
- return sysfs_emit(buf, "%s\n",
- gc_mode_names[sbi->gc_segment_mode]);
+ return sysfs_emit(buf, "%u\n", sbi->gc_segment_mode);
if (!strcmp(a->attr.name, "gc_reclaimed_segments")) {
return sysfs_emit(buf, "%u\n",
@@ -844,6 +845,7 @@ 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);
@@ -926,6 +928,7 @@ 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),