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authorChao Yu <chao@kernel.org>2022-09-27 10:44:47 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2022-10-04 13:31:44 -0700
commit718693c84d8f4b235d030c377258f12f38a71c67 (patch)
tree99f9071b4f4b125a6344a5b283e653424200709e /Documentation/ABI/testing/sysfs-fs-f2fs
parentf2fs: fix to detect corrupted meta ino (diff)
downloadlinux-dev-718693c84d8f4b235d030c377258f12f38a71c67.tar.xz
linux-dev-718693c84d8f4b235d030c377258f12f38a71c67.zip
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 'Documentation/ABI/testing/sysfs-fs-f2fs')
-rw-r--r--Documentation/ABI/testing/sysfs-fs-f2fs24
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs
index 083ac2d63eef..483639fb727b 100644
--- a/Documentation/ABI/testing/sysfs-fs-f2fs
+++ b/Documentation/ABI/testing/sysfs-fs-f2fs
@@ -466,6 +466,30 @@ Description: Show status of f2fs superblock in real time.
0x4000 SBI_IS_FREEZING freefs is in process
====== ===================== =================================
+What: /sys/fs/f2fs/<disk>/stat/cp_status
+Date: September 2022
+Contact: "Chao Yu" <chao.yu@oppo.com>
+Description: Show status of f2fs checkpoint in real time.
+
+ =============================== ==============================
+ cp flag value
+ CP_UMOUNT_FLAG 0x00000001
+ CP_ORPHAN_PRESENT_FLAG 0x00000002
+ CP_COMPACT_SUM_FLAG 0x00000004
+ CP_ERROR_FLAG 0x00000008
+ CP_FSCK_FLAG 0x00000010
+ CP_FASTBOOT_FLAG 0x00000020
+ CP_CRC_RECOVERY_FLAG 0x00000040
+ CP_NAT_BITS_FLAG 0x00000080
+ CP_TRIMMED_FLAG 0x00000100
+ CP_NOCRC_RECOVERY_FLAG 0x00000200
+ CP_LARGE_NAT_BITMAP_FLAG 0x00000400
+ CP_QUOTA_NEED_FSCK_FLAG 0x00000800
+ CP_DISABLED_FLAG 0x00001000
+ CP_DISABLED_QUICK_FLAG 0x00002000
+ CP_RESIZEFS_FLAG 0x00004000
+ =============================== ==============================
+
What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio
Date: January 2021
Contact: "Daeho Jeong" <daehojeong@google.com>