diff options
Diffstat (limited to 'bwrap.xml')
| -rw-r--r-- | bwrap.xml | 26 |
1 files changed, 24 insertions, 2 deletions
@@ -207,6 +207,9 @@ (rwxr-xr-x). However, if a <option>--perms</option> option is in effect, and it sets the permissions for group or other to zero, then newly-created parent directories will also have their corresponding permission set to zero. + <option>--size</option> modifies the size of the created mount when preceding a + <option>--tmpfs</option> action; <option>--perms</option> and <option>--size</option> + can be combined. </para> <variablelist> <varlistentry> @@ -217,7 +220,24 @@ Subsequent operations are not affected: for example, <literal>--perms 0700 --tmpfs /a --tmpfs /b</literal> will mount <filename>/a</filename> with permissions 0700, then return to - the default permissions for <filename>/b</filename>.</para></listitem> + the default permissions for <filename>/b</filename>. + Note that <option>--perms</option> and <option>--size</option> can be + combined: <literal>--perms 0700 --size 10485760 --tmpfs /s</literal> will apply + permissions as well as a maximum size to the created tmpfs.</para></listitem> + </varlistentry> + <varlistentry> + <term><option>--size <arg choice="plain">BYTES</arg></option></term> + <listitem><para>This option does nothing on its own, and must be followed + by <literal>--tmpfs</literal>. It sets the size in bytes for the next tmpfs. + For example, <literal>--size 10485760 --tmpfs /tmp</literal> will create a tmpfs + at <filename>/tmp</filename> of size 10MiB. Subsequent operations are not + affected: for example, + <literal>--size 10485760 --tmpfs /a --tmpfs /b</literal> will mount + <filename>/a</filename> with size 10MiB, then return to the default size for + <filename>/b</filename>. + Note that <option>--perms</option> and <option>--size</option> can be + combined: <literal>--size 10485760 --perms 0700 --tmpfs /s</literal> will apply + permissions as well as a maximum size to the created tmpfs.</para></listitem> </varlistentry> <varlistentry> <term><option>--bind <arg choice="plain">SRC</arg> <arg choice="plain">DEST</arg></option></term> @@ -260,7 +280,9 @@ <listitem> <para>Mount new tmpfs on <arg choice="plain">DEST</arg>. If the previous option was <option>--perms</option>, it sets the - mode of the tmpfs. Otherwise, the tmpfs has mode 0755.</para> + mode of the tmpfs. Otherwise, the tmpfs has mode 0755. + If the previous option was <option>--size</option>, it sets the + size in bytes of the tmpfs. Otherwise, the tmpfs has the default size.</para> </listitem> </varlistentry> <varlistentry> |