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Differential D53349

pathconf: Define a new name called _PC_CASE_INSENSITIVE
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Authored by rmacklem on Oct 25 2025, 1:55 AM.
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rGd6864221d884: pathconf: Define a new name called _PC_CASE_INSENSITIVE
Summary

Some FreeBSD file systems (msdosfs and optionally ZFS)
handle case insensitive file name lookup.
NFS (v3 and 4) provide an attribute to indicate this
capability, but without this patch, the NFS server does
not know if the file system does support this.

This patch adds the pathconf name_PC_CASE_INSENSITIVE
that can be used by the NFS server or user programs to
check for this feature.

A pathconf(2) man page patch, plus patches for ZFS and NFS
will be done separately.

Test Plan

Tested for msdosfs and a ZFS file system created
with casesensitivity=insensitive.

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rG FreeBSD src repository
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Revision Contents
Changeset List

PathSize
sys/
fs/
msdosfs/
3 lines
kern/
1 line
sys/
1 line

Diff 165032

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sys/fs/msdosfs/msdosfs_vnops.c

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sys/kern/vfs_default.c

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sys/sys/unistd.h

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