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| author | Chao Yu <chao@kernel.org> | 2022-09-27 05:44:47 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-10-04 23:31:44 +0300 |
| commit | 718693c84d8f4b235d030c377258f12f38a71c67 (patch) | |
| tree | 99f9071b4f4b125a6344a5b283e653424200709e /fs/f2fs | |
| parent | fcc2d8cc96b2f6141bbbe5b1e8953db990794b44 (diff) | |
| download | linux-718693c84d8f4b235d030c377258f12f38a71c67.tar.xz | |
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>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/sysfs.c | 8 |
1 files changed, 8 insertions, 0 deletions
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); |