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| author | Daeho Jeong <daehojeong@google.com> | 2021-08-19 20:52:28 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-08-23 10:25:51 -0700 |
| commit | 521187439abfb3e1c946796dc2187c443e5457ab (patch) | |
| tree | fce6c67e0ba999bb4ab8f3463dccf8f005c77be5 /fs/f2fs/super.c | |
| parent | bbe1da7e34ac5a830163bfdfa09cbe3dadfda3ce (diff) | |
| download | linux-521187439abfb3e1c946796dc2187c443e5457ab.tar.gz linux-521187439abfb3e1c946796dc2187c443e5457ab.tar.bz2 linux-521187439abfb3e1c946796dc2187c443e5457ab.zip | |
f2fs: separate out iostat feature
Added F2FS_IOSTAT config option to support getting IO statistics through
sysfs and printing out periodic IO statistics tracepoint events and
moved I/O statistics related codes into separate files for better
maintenance.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
[Jaegeuk Kim: set default=y]
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index b556ca38f0fb..a23926d1a77b 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -33,6 +33,7 @@ #include "segment.h" #include "xattr.h" #include "gc.h" +#include "iostat.h" #define CREATE_TRACE_POINTS #include <trace/events/f2fs.h> @@ -3964,11 +3965,6 @@ try_onemore: set_sbi_flag(sbi, SBI_POR_DOING); spin_lock_init(&sbi->stat_lock); - /* init iostat info */ - spin_lock_init(&sbi->iostat_lock); - sbi->iostat_enable = false; - sbi->iostat_period_ms = DEFAULT_IOSTAT_PERIOD_MS; - for (i = 0; i < NR_PAGE_TYPE; i++) { int n = (i == META) ? 1 : NR_TEMP_TYPE; int j; @@ -3999,6 +3995,10 @@ try_onemore: init_waitqueue_head(&sbi->cp_wait); init_sb_info(sbi); + err = f2fs_init_iostat(sbi); + if (err) + goto free_bio_info; + err = init_percpu_info(sbi); if (err) goto free_bio_info; |