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| author | Paulo Alcantara <pc@manguebit.com> | 2024-03-10 22:24:25 -0300 |
|---|---|---|
| committer | Pavel Shilovsky <pshilovsky@samba.org> | 2024-03-29 17:50:51 +0000 |
| commit | 4718e09e4b15b957bf9d729793bc3de7caad8134 (patch) | |
| tree | d92d77ce2bd8ae091b260497368c10790fc8df18 | |
| parent | e7ec0032898d855be144c0cdc9d9e3f78ae01bf2 (diff) | |
| download | cifs-utils-4718e09e4b15b957bf9d729793bc3de7caad8134.tar.gz cifs-utils-4718e09e4b15b957bf9d729793bc3de7caad8134.tar.bz2 cifs-utils-4718e09e4b15b957bf9d729793bc3de7caad8134.zip | |
mount.cifs.rst: update section about xattr/acl support
Update section about required xattr/acl support for UID/GID mapping.
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
| -rw-r--r-- | mount.cifs.rst | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/mount.cifs.rst b/mount.cifs.rst index 64127b2..d82a13c 100644 --- a/mount.cifs.rst +++ b/mount.cifs.rst @@ -321,11 +321,12 @@ soft noacl Do not allow POSIX ACL operations even if server would support them. - The CIFS client can get and set POSIX ACLs (getfacl, setfacl) to Samba - servers version 3.0.10 and later. Setting POSIX ACLs requires enabling - both ``CIFS_XATTR`` and then ``CIFS_POSIX`` support in the CIFS - configuration options when building the cifs module. POSIX ACL support - can be disabled on a per mount basis by specifying ``noacl`` on mount. + The CIFS client can get and set POSIX ACLs (getfacl, setfacl) to + Samba servers version 3.0.10 and later. Setting POSIX ACLs requires + enabling both ``CONFIG_CIFS_XATTR`` and then ``CONFIG_CIFS_POSIX`` + support in the CIFS configuration options when building the cifs + module. POSIX ACL support can be disabled on a per mount basis by + specifying ``noacl`` on mount. cifsacl This option is used to map CIFS/NTFS ACLs to/from Linux permission @@ -762,8 +763,19 @@ bits, and POSIX ACL as user authentication model. This is the most common authentication model for CIFS servers and is the one used by Windows. -Support for this requires both CIFS_XATTR and CIFS_ACL support in the -CIFS configuration options when building the cifs module. +Support for this requires cifs kernel module built with both +``CONFIG_CIFS_XATTR`` and ``CONFIG_CIFS_ACL`` options enabled. Since +Linux 5.3, ``CONFIG_CIFS_ACL`` option no longer exists as CIFS/NTFS +ACL support is always built into cifs kernel module. + +Most distribution kernels will already have those options enabled by +default, but you can still check if they are enabled with:: + + cat /lib/modules/$(uname -r)/build/.config + +Alternatively, if kernel is configured with ``CONFIG_IKCONFIG_PROC``:: + + zcat /proc/config.gz A CIFS/NTFS ACL is mapped to file permission bits using an algorithm specified in the following Microsoft TechNet document: |