diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 6 | ||||
| -rw-r--r-- | fs/f2fs/sysfs.c | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 3500920ab7ce..ca61ffcae126 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -579,6 +579,12 @@ Description: When ATGC is on, it controls age threshold to bypass GCing young candidates whose age is not beyond the threshold, by default it was initialized as 604800 seconds (equals to 7 days). +What: /sys/fs/f2fs/<disk>/atgc_enabled +Date: Feb 2024 +Contact: "Jinbao Liu" <liujinbao1@xiaomi.com> +Description: It represents whether ATGC is on or off. The value is 1 which + indicates that ATGC is on, and 0 indicates that it is off. + What: /sys/fs/f2fs/<disk>/gc_reclaimed_segments Date: July 2021 Contact: "Daeho Jeong" <daehojeong@google.com> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 63ff2d1647eb..ed4bf434207a 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -170,6 +170,12 @@ static ssize_t undiscard_blks_show(struct f2fs_attr *a, SM_I(sbi)->dcc_info->undiscard_blks); } +static ssize_t atgc_enabled_show(struct f2fs_attr *a, + struct f2fs_sb_info *sbi, char *buf) +{ + return sysfs_emit(buf, "%d\n", sbi->am.atgc_enabled ? 1 : 0); +} + static ssize_t gc_mode_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { @@ -1082,6 +1088,7 @@ 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(atgc_enabled); F2FS_GENERAL_RO_ATTR(gc_mode); #ifdef CONFIG_F2FS_STAT_FS F2FS_GENERAL_RO_ATTR(moved_blocks_background); @@ -1211,6 +1218,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(atgc_candidate_count), ATTR_LIST(atgc_age_weight), ATTR_LIST(atgc_age_threshold), + ATTR_LIST(atgc_enabled), ATTR_LIST(seq_file_ra_mul), ATTR_LIST(gc_segment_mode), ATTR_LIST(gc_reclaimed_segments), |