diff options
| author | Chao Yu <chao@kernel.org> | 2025-05-06 15:47:25 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-12-18 13:55:16 +0100 |
| commit | d4a4abba458496d27fd54196597249c8cddfbb95 (patch) | |
| tree | 4d366aed67141de03ca04b75af6c075953011092 /Documentation | |
| parent | 7cc6b80df66f69bff1acf5cbcba5aaf639fc97c8 (diff) | |
f2fs: sysfs: add encoding_flags entry
[ Upstream commit 3fea0641b06ff4e53d95d07a96764d8951d4ced6 ]
This patch adds a new sysfs entry /sys/fs/f2fs/<disk>/encoding_flags,
it is a read-only entry to show the value of sb.s_encoding_flags, the
value is hexadecimal.
============================ ==========
Flag_Name Flag_Value
============================ ==========
SB_ENC_STRICT_MODE_FL 0x00000001
SB_ENC_NO_COMPAT_FALLBACK_FL 0x00000002
============================ ==========
case#1
mkfs.f2fs -f -O casefold -C utf8:strict /dev/vda
mount /dev/vda /mnt/f2fs
cat /sys/fs/f2fs/vda/encoding_flags
1
case#2
mkfs.f2fs -f -O casefold -C utf8 /dev/vda
fsck.f2fs --nolinear-lookup=1 /dev/vda
mount /dev/vda /mnt/f2fs
cat /sys/fs/f2fs/vda/encoding_flags
2
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Stable-dep-of: e462fc48ceb8 ("f2fs: maintain one time GC mode is enabled during whole zoned GC cycle")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-fs-f2fs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-fs-f2fs b/Documentation/ABI/testing/sysfs-fs-f2fs index c7ebda8c677e..87b32ca7f3a4 100644 --- a/Documentation/ABI/testing/sysfs-fs-f2fs +++ b/Documentation/ABI/testing/sysfs-fs-f2fs @@ -845,3 +845,16 @@ Description: For several zoned storage devices, vendors will provide extra space reserved_blocks. However, it is not enough, since this extra space should not be shown to users. So, with this new sysfs node, we can hide the space by substracting reserved_blocks from total bytes. + +What: /sys/fs/f2fs/<disk>/encoding_flags +Date: April 2025 +Contact: "Chao Yu" <chao@kernel.org> +Description: This is a read-only entry to show the value of sb.s_encoding_flags, the + value is hexadecimal. + + ============================ ========== + Flag_Name Flag_Value + ============================ ========== + SB_ENC_STRICT_MODE_FL 0x00000001 + SB_ENC_NO_COMPAT_FALLBACK_FL 0x00000002 + ============================ ========== |