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| author | Miklos Szeredi <mszeredi@suse.cz> | 2008-02-08 04:21:35 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:22:39 -0800 |
| commit | e11400b0cadc97cb1062912c1028e965c93fa9b3 (patch) | |
| tree | b73813aacee8b5d840dbab1531038abd52310181 /fs/adfs/super.c | |
| parent | b3b304a23a8f7ae4c40c7b512ee45afae0010a70 (diff) | |
| download | linux-e11400b0cadc97cb1062912c1028e965c93fa9b3.tar.gz linux-e11400b0cadc97cb1062912c1028e965c93fa9b3.tar.bz2 linux-e11400b0cadc97cb1062912c1028e965c93fa9b3.zip | |
mount options: fix adfs
Add a .show_options super operation to adfs.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/adfs/super.c')
| -rw-r--r-- | fs/adfs/super.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/fs/adfs/super.c b/fs/adfs/super.c index b36695ae5c2e..9e421eeb672b 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -20,6 +20,8 @@ #include <linux/vfs.h> #include <linux/parser.h> #include <linux/bitops.h> +#include <linux/mount.h> +#include <linux/seq_file.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -30,6 +32,9 @@ #include "dir_f.h" #include "dir_fplus.h" +#define ADFS_DEFAULT_OWNER_MASK S_IRWXU +#define ADFS_DEFAULT_OTHER_MASK (S_IRWXG | S_IRWXO) + void __adfs_error(struct super_block *sb, const char *function, const char *fmt, ...) { char error_buf[128]; @@ -134,6 +139,22 @@ static void adfs_put_super(struct super_block *sb) sb->s_fs_info = NULL; } +static int adfs_show_options(struct seq_file *seq, struct vfsmount *mnt) +{ + struct adfs_sb_info *asb = ADFS_SB(mnt->mnt_sb); + + if (asb->s_uid != 0) + seq_printf(seq, ",uid=%u", asb->s_uid); + if (asb->s_gid != 0) + seq_printf(seq, ",gid=%u", asb->s_gid); + if (asb->s_owner_mask != ADFS_DEFAULT_OWNER_MASK) + seq_printf(seq, ",ownmask=%o", asb->s_owner_mask); + if (asb->s_other_mask != ADFS_DEFAULT_OTHER_MASK) + seq_printf(seq, ",othmask=%o", asb->s_other_mask); + + return 0; +} + enum {Opt_uid, Opt_gid, Opt_ownmask, Opt_othmask, Opt_err}; static match_table_t tokens = { @@ -259,6 +280,7 @@ static const struct super_operations adfs_sops = { .put_super = adfs_put_super, .statfs = adfs_statfs, .remount_fs = adfs_remount, + .show_options = adfs_show_options, }; static struct adfs_discmap *adfs_read_map(struct super_block *sb, struct adfs_discrecord *dr) @@ -344,8 +366,8 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent) /* set default options */ asb->s_uid = 0; asb->s_gid = 0; - asb->s_owner_mask = S_IRWXU; - asb->s_other_mask = S_IRWXG | S_IRWXO; + asb->s_owner_mask = ADFS_DEFAULT_OWNER_MASK; + asb->s_other_mask = ADFS_DEFAULT_OTHER_MASK; if (parse_options(sb, data)) goto error; |