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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-10-24 09:46:54 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-11-06 01:41:47 +0100 |
| commit | 8f1572f7ce6169a4687cec1a89ce9c85cbf14eee (patch) | |
| tree | eddbde6944a2019fd5adddd705cfa543091968b1 /fs/f2fs | |
| parent | f2fs: stop all the operations by cp_error flag (diff) | |
| download | linux-8f1572f7ce6169a4687cec1a89ce9c85cbf14eee.tar.xz linux-8f1572f7ce6169a4687cec1a89ce9c85cbf14eee.zip | |
f2fs: show # of dirty segments via sysfs
This patch adds one sysfs entry to show # of dirty segments which can be
used for gc timing by user.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/sysfs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 89f25efffd43..48ebe6153cc5 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -63,6 +63,13 @@ static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type) return NULL; } +static ssize_t dirty_segments_show(struct f2fs_attr *a, + struct f2fs_sb_info *sbi, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%llu\n", + (unsigned long long)(dirty_segments(sbi))); +} + static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a, struct f2fs_sb_info *sbi, char *buf) { @@ -278,6 +285,7 @@ F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, iostat_enable, iostat_enable); F2FS_RW_ATTR(FAULT_INFO_RATE, f2fs_fault_info, inject_rate, inject_rate); F2FS_RW_ATTR(FAULT_INFO_TYPE, f2fs_fault_info, inject_type, inject_type); #endif +F2FS_GENERAL_RO_ATTR(dirty_segments); F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes); F2FS_GENERAL_RO_ATTR(features); @@ -320,6 +328,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(inject_rate), ATTR_LIST(inject_type), #endif + ATTR_LIST(dirty_segments), ATTR_LIST(lifetime_write_kbytes), ATTR_LIST(features), ATTR_LIST(reserved_blocks), |