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| author | Chao Yu <chao@kernel.org> | 2022-09-27 04:44:47 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-10-04 22:31:44 +0200 |
| commit | 718693c84d8f4b235d030c377258f12f38a71c67 (patch) | |
| tree | 99f9071b4f4b125a6344a5b283e653424200709e | |
| parent | f2fs: fix to detect corrupted meta ino (diff) | |
| download | linux-718693c84d8f4b235d030c377258f12f38a71c67.tar.xz linux-718693c84d8f4b235d030c377258f12f38a71c67.zip | |
f2fs: introduce cp_status sysfs entry
This patch adds a new sysfs entry named cp_status, it can output
checkpoint flags in real time.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 24 | ||||
| -rw-r--r-- | fs/f2fs/sysfs.c | 8 |
2 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 083ac2d63eef..483639fb727b 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -466,6 +466,30 @@ Description: Show status of f2fs superblock in real time. 0x4000 SBI_IS_FREEZING freefs is in process ====== ===================== ================================= +What: /sys/fs/f2fs/<disk>/stat/cp_status +Date: September 2022 +Contact: "Chao Yu" <chao.yu@oppo.com> +Description: Show status of f2fs checkpoint in real time. + + =============================== ============================== + cp flag value + CP_UMOUNT_FLAG 0x00000001 + CP_ORPHAN_PRESENT_FLAG 0x00000002 + CP_COMPACT_SUM_FLAG 0x00000004 + CP_ERROR_FLAG 0x00000008 + CP_FSCK_FLAG 0x00000010 + CP_FASTBOOT_FLAG 0x00000020 + CP_CRC_RECOVERY_FLAG 0x00000040 + CP_NAT_BITS_FLAG 0x00000080 + CP_TRIMMED_FLAG 0x00000100 + CP_NOCRC_RECOVERY_FLAG 0x00000200 + CP_LARGE_NAT_BITMAP_FLAG 0x00000400 + CP_QUOTA_NEED_FSCK_FLAG 0x00000800 + CP_DISABLED_FLAG 0x00001000 + CP_DISABLED_QUICK_FLAG 0x00002000 + CP_RESIZEFS_FLAG 0x00004000 + =============================== ============================== + What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio Date: January 2021 Contact: "Daeho Jeong" <daehojeong@google.com> diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 39ebf0ad133a..df27afd71ef4 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -128,6 +128,12 @@ static ssize_t sb_status_show(struct f2fs_attr *a, return sprintf(buf, "%lx\n", sbi->s_flag); } +static ssize_t cp_status_show(struct f2fs_attr *a, + struct f2fs_sb_info *sbi, char *buf) +{ + return sprintf(buf, "%x\n", le32_to_cpu(F2FS_CKPT(sbi)->ckpt_flags)); +} + static ssize_t pending_discard_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { @@ -1029,8 +1035,10 @@ static struct attribute *f2fs_feat_attrs[] = { ATTRIBUTE_GROUPS(f2fs_feat); F2FS_GENERAL_RO_ATTR(sb_status); +F2FS_GENERAL_RO_ATTR(cp_status); static struct attribute *f2fs_stat_attrs[] = { ATTR_LIST(sb_status), + ATTR_LIST(cp_status), NULL, }; ATTRIBUTE_GROUPS(f2fs_stat); |