Unix & Linux Asked by user252842 on December 29, 2021
In the man page of mkfs.f2fs, I see the option:
-O feature-list Specify a feature list in order f2fs filesystem will supports. e.g “encrypt” and so on
I’d like to know how can I get the full list of the optional features of f2fs and whether it is possible to modify existing file system and enable some features without data loss.
Looking at https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/tree/mkfs/f2fs_format_main.c, the definition of parse_feature is taken from the file include/f2fs_fs.h
. This function uses a table with 10 feature names (not all make sense for normal users!): https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs-tools.git/tree/include/f2fs_fs.h#n1361:
encrypt
extra_attr
project_quota
inode_checksum
flexible_inline_xattr
quota
inode_crtime
lost_found
verity
sb_checksum
Answered by Sven on December 29, 2021
Only encrypt at the moment it seems.
Answered by Sander on December 29, 2021
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