On 1/13/2026 1:46 AM, Chuck Lever wrote:
From: Chuck Lever <[email protected]>

NFS and other remote filesystem protocols need to determine
whether a local filesystem performs case-insensitive lookups
so they can provide correct semantics to clients. Without
this information, f2fs exports cannot properly advertise
their filename case behavior.

Report f2fs case sensitivity behavior via the file_kattr
boolean fields. Like ext4, f2fs supports per-directory case
folding via the casefold flag (IS_CASEFOLDED). Files are
always case-preserving.

Signed-off-by: Chuck Lever <[email protected]>

Reviewed-by: Chao Yu <[email protected]>

Thanks,


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