diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 6 | ||||
| -rw-r--r-- | Documentation/filesystems/f2fs.txt | 3 | ||||
| -rw-r--r-- | fs/f2fs/sysfs.c | 2 |
3 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index 7ab2b1b5e255..aedeae1e8ec1 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -31,6 +31,12 @@ Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> Description: Controls the issue rate of segment discard commands. +What: /sys/fs/f2fs/<disk>/max_blkaddr +Date: November 2019 +Contact: "Ramon Pantin" <pantin@google.com> +Description: + Shows first block address of MAIN area. + What: /sys/fs/f2fs/<disk>/ipu_policy Date: November 2013 Contact: "Jaegeuk Kim" <jaegeuk.kim@samsung.com> diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 29020af0cff9..3135b80df6da 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -297,6 +297,9 @@ Files in /sys/fs/f2fs/<devname> reclaim the prefree segments to free segments. By default, 5% over total # of segments. + main_blkaddr This value gives the first block address of + MAIN area in the partition. + max_small_discards This parameter controls the number of discard commands that consist small blocks less than 2MB. The candidates to be discarded are cached until diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index f164959e4224..70945ceb9c0c 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -445,6 +445,7 @@ F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_idle, gc_mode); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, gc_urgent, gc_mode); F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments); +F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, main_blkaddr, main_blkaddr); F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards); F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, discard_granularity, discard_granularity); F2FS_RW_ATTR(RESERVED_BLOCKS, f2fs_sb_info, reserved_blocks, reserved_blocks); @@ -512,6 +513,7 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(gc_idle), ATTR_LIST(gc_urgent), ATTR_LIST(reclaim_segments), + ATTR_LIST(main_blkaddr), ATTR_LIST(max_small_discards), ATTR_LIST(discard_granularity), ATTR_LIST(batched_trim_sections), |