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platform_kernel-5.15
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nilfs2: Switch to use %ptTs 

Use %ptTs instead of open coded variant to print contents
of time64_t type in human readable form.

Use sysfs_emit() at the same time in the changed functions.

Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: linux-nilfs@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20210511153958.34527-3-andriy.shevchenko@linux.intel.com
This commit is contained in:
Andy Shevchenko 2021-05-11 18:39:57 +03:00 committed by Petr Mladek
parent 126ac4d67d
commit 776797f1bd
1 changed files with 3 additions and 16 deletions
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19
fs/nilfs2/sysfs.c
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@ -19,19 +19,6 @@
/* /sys/fs/<nilfs>/ */ /* /sys/fs/<nilfs>/ */
static struct kset *nilfs_kset; static struct kset *nilfs_kset;
#define NILFS_SHOW_TIME(time_t_val, buf) ({ \
struct tm res; \
int count = 0; \
time64_to_tm(time_t_val, 0, &res); \
res.tm_year += 1900; \
res.tm_mon += 1; \
count = scnprintf(buf, PAGE_SIZE, \
"%ld-%.2d-%.2d %.2d:%.2d:%.2d\n", \
res.tm_year, res.tm_mon, res.tm_mday, \
res.tm_hour, res.tm_min, res.tm_sec);\
count; \
})
#define NILFS_DEV_INT_GROUP_OPS(name, parent_name) \ #define NILFS_DEV_INT_GROUP_OPS(name, parent_name) \
static ssize_t nilfs_##name##_attr_show(struct kobject *kobj, \ static ssize_t nilfs_##name##_attr_show(struct kobject *kobj, \
struct attribute *attr, char *buf) \ struct attribute *attr, char *buf) \
@ -576,7 +563,7 @@ nilfs_segctor_last_seg_write_time_show(struct nilfs_segctor_attr *attr,
ctime = nilfs->ns_ctime; ctime = nilfs->ns_ctime;
up_read(&nilfs->ns_segctor_sem); up_read(&nilfs->ns_segctor_sem);
return NILFS_SHOW_TIME(ctime, buf); return sysfs_emit(buf, "%ptTs\n", &ctime);
} }
static ssize_t static ssize_t
@ -604,7 +591,7 @@ nilfs_segctor_last_nongc_write_time_show(struct nilfs_segctor_attr *attr,
nongc_ctime = nilfs->ns_nongc_ctime; nongc_ctime = nilfs->ns_nongc_ctime;
up_read(&nilfs->ns_segctor_sem); up_read(&nilfs->ns_segctor_sem);
return NILFS_SHOW_TIME(nongc_ctime, buf); return sysfs_emit(buf, "%ptTs\n", &nongc_ctime);
} }
static ssize_t static ssize_t
@ -724,7 +711,7 @@ nilfs_superblock_sb_write_time_show(struct nilfs_superblock_attr *attr,
sbwtime = nilfs->ns_sbwtime; sbwtime = nilfs->ns_sbwtime;
up_read(&nilfs->ns_sem); up_read(&nilfs->ns_sem);
return NILFS_SHOW_TIME(sbwtime, buf); return sysfs_emit(buf, "%ptTs\n", &sbwtime);
} }
static ssize_t static ssize_t