diff options
| -rw-r--r-- | docs-xml/manpages-3/mount.cifs.8.xml | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/docs-xml/manpages-3/mount.cifs.8.xml b/docs-xml/manpages-3/mount.cifs.8.xml index 372b4772f1..d930600437 100644 --- a/docs-xml/manpages-3/mount.cifs.8.xml +++ b/docs-xml/manpages-3/mount.cifs.8.xml @@ -477,12 +477,35 @@ permissions in memory that can't be stored on the server. This information can d <varlistentry> <term>noserverino</term> - <listitem><para>client generates inode numbers (rather than using the actual one - from the server) by default. + <listitem> + <para> + Client generates inode numbers (rather than + using the actual one from the server) by default. + </para> + <para> + See section <emphasis>INODE NUMBERS</emphasis> for + more information. </para></listitem> </varlistentry> <varlistentry> + <term>nounix</term> + <listitem> + <para> + Disable the CIFS Unix Extensions for this mount. This + can be useful in order to turn off multiple settings at once. + This includes POSIX acls, POSIX locks, POSIX paths, symlink + support and retrieving uids/gids/mode from the server. This + can also be useful to work around a bug in a server that + supports Unix Extensions. + </para> + <para> + See section <emphasis>INODE NUMBERS</emphasis> for + more information. + </para> </listitem> + </varlistentry> + + <varlistentry> <term>nouser_xattr</term> <listitem><para>(default) Do not allow getfattr/setfattr to get/set xattrs, even if server would support it otherwise. </para></listitem> </varlistentry> @@ -533,6 +556,33 @@ permissions in memory that can't be stored on the server. This information can d </refsect1> <refsect1> + <title>INODE NUMBERS</title> + <para> + When Unix Extensions are enabled, we use the actual inode + number provided by the server in response to the POSIX calls as an + inode number. + </para> + <para> + When Unix Extensions are disabled and "serverino" mount option + is enabled there is no way to get the server inode number. The + client typically maps the server-assigned "UniqueID" onto an inode + number. + </para> + <para> + Note that the UniqueID is a different value from the server + inode number. The UniqueID value is unique over the scope of the entire + server and is often greater than 2 power 32. This value often makes + programs that are not compiled with LFS (Large File Support), to + trigger a glibc EOVERFLOW error as this won't fit in the target + structure field. It is strongly recommended to compile your programs + with LFS support (i.e. with -D_FILE_OFFSET_BITS=64) to prevent this + problem. You can also use "noserverino" mount option to generate inode + numbers smaller than 2 power 32 on the client. But you may not be able + to detect hardlinks properly. + </para> +</refsect1> + +<refsect1> <title>FILE AND DIRECTORY OWNERSHIP AND PERMISSIONS</title> <para> The core CIFS protocol does not provide unix ownership |