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3fea0641b0
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> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.