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[POWERPC] spufs: add mode= mount option

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Add a 'mode=' option to spufs mount arguments. This allows more
control over access to the top-level spufs directory.

Tested on Cell.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
This commit is contained in:
Jeremy Kerr 2007-04-23 21:08:23 +02:00 committed by Arnd Bergmann
parent 9e2fe2ce4e
commit f11f5ee70f
1 changed files with 10 additions and 4 deletions
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14
arch/powerpc/platforms/cell/spufs/inode.c
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@ -521,13 +521,14 @@ long spufs_create(struct nameidata *nd, unsigned int flags, mode_t mode)
/* File system initialization */
enum {
Opt_uid, Opt_gid, Opt_err,
Opt_uid, Opt_gid, Opt_mode, Opt_err,
};
static match_table_t spufs_tokens = {
{ Opt_uid, "uid=%d" },
{ Opt_gid, "gid=%d" },
{ Opt_err, NULL },
{ Opt_uid, "uid=%d" },
{ Opt_gid, "gid=%d" },
{ Opt_mode, "mode=%o" },
{ Opt_err, NULL },
};
static int
@ -554,6 +555,11 @@ spufs_parse_options(char *options, struct inode *root)
return 0;
root->i_gid = option;
break;
case Opt_mode:
if (match_octal(&args[0], &option))
return 0;
root->i_mode = option | S_IFDIR;
break;
default:
return 0;
}