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mount options: fix ncpfs

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Add a .show_options super operation to ncpfs.

Small fix: add FS_BINARY_MOUNTDATA to the filesystem type flags, since
it can take binary data, as well as text (similarly to NFS).

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Miklos Szeredi 2008-02-08 04:21:46 -08:00 committed by Linus Torvalds
parent d0132eea7a
commit 564cd138cb
1 changed files with 45 additions and 4 deletions
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49
fs/ncpfs/inode.c
View file

@ -28,6 +28,8 @@
#include <linux/init.h>
#include <linux/smp_lock.h>
#include <linux/vfs.h>
#include <linux/mount.h>
#include <linux/seq_file.h>
#include <linux/ncp_fs.h>
@ -36,9 +38,15 @@
#include "ncplib_kernel.h"
#include "getopt.h"
#define NCP_DEFAULT_FILE_MODE 0600
#define NCP_DEFAULT_DIR_MODE 0700
#define NCP_DEFAULT_TIME_OUT 10
#define NCP_DEFAULT_RETRY_COUNT 20
static void ncp_delete_inode(struct inode *);
static void ncp_put_super(struct super_block *);
static int ncp_statfs(struct dentry *, struct kstatfs *);
static int ncp_show_options(struct seq_file *, struct vfsmount *);
static struct kmem_cache * ncp_inode_cachep;
@ -96,6 +104,7 @@ static const struct super_operations ncp_sops =
.put_super = ncp_put_super,
.statfs = ncp_statfs,
.remount_fs = ncp_remount,
.show_options = ncp_show_options,
};
extern struct dentry_operations ncp_root_dentry_operations;
@ -304,6 +313,37 @@ static void ncp_stop_tasks(struct ncp_server *server) {
flush_scheduled_work();
}
static int ncp_show_options(struct seq_file *seq, struct vfsmount *mnt)
{
struct ncp_server *server = NCP_SBP(mnt->mnt_sb);
unsigned int tmp;
if (server->m.uid != 0)
seq_printf(seq, ",uid=%u", server->m.uid);
if (server->m.gid != 0)
seq_printf(seq, ",gid=%u", server->m.gid);
if (server->m.mounted_uid != 0)
seq_printf(seq, ",owner=%u", server->m.mounted_uid);
tmp = server->m.file_mode & S_IALLUGO;
if (tmp != NCP_DEFAULT_FILE_MODE)
seq_printf(seq, ",mode=0%o", tmp);
tmp = server->m.dir_mode & S_IALLUGO;
if (tmp != NCP_DEFAULT_DIR_MODE)
seq_printf(seq, ",dirmode=0%o", tmp);
if (server->m.time_out != NCP_DEFAULT_TIME_OUT * HZ / 100) {
tmp = server->m.time_out * 100 / HZ;
seq_printf(seq, ",timeout=%u", tmp);
}
if (server->m.retry_count != NCP_DEFAULT_RETRY_COUNT)
seq_printf(seq, ",retry=%u", server->m.retry_count);
if (server->m.flags != 0)
seq_printf(seq, ",flags=%lu", server->m.flags);
if (server->m.wdog_pid != NULL)
seq_printf(seq, ",wdogpid=%u", pid_vnr(server->m.wdog_pid));
return 0;
}
static const struct ncp_option ncp_opts[] = {
{ "uid", OPT_INT, 'u' },
{ "gid", OPT_INT, 'g' },
@ -331,12 +371,12 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options)
data->mounted_uid = 0;
data->wdog_pid = NULL;
data->ncp_fd = ~0;
data->time_out = 10;
data->retry_count = 20;
data->time_out = NCP_DEFAULT_TIME_OUT;
data->retry_count = NCP_DEFAULT_RETRY_COUNT;
data->uid = 0;
data->gid = 0;
data->file_mode = 0600;
data->dir_mode = 0700;
data->file_mode = NCP_DEFAULT_FILE_MODE;
data->dir_mode = NCP_DEFAULT_DIR_MODE;
data->info_fd = -1;
data->mounted_vol[0] = 0;
@ -982,6 +1022,7 @@ static struct file_system_type ncp_fs_type = {
.name = "ncpfs",
.get_sb = ncp_get_sb,
.kill_sb = kill_anon_super,
.fs_flags = FS_BINARY_MOUNTDATA,
};
static int __init init_ncp_fs(void)