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autofs4: cleanup autofs mount type usage

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Usage of the AUTOFS_TYPE_* defines is a little confusing and appears
inconsistent.

Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ian Kent 2008-10-15 22:02:52 -07:00 committed by Linus Torvalds
parent 624ae52845
commit bb979d7fc3
5 changed files with 15 additions and 12 deletions
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6
fs/autofs4/autofs_i.h
View File

@ -21,6 +21,8 @@
#define AUTOFS_IOC_FIRST AUTOFS_IOC_READY
#define AUTOFS_IOC_COUNT 32
#define AUTOFS_TYPE_TRIGGER (AUTOFS_TYPE_DIRECT|AUTOFS_TYPE_OFFSET)
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/time.h>
@ -92,10 +94,6 @@ struct autofs_wait_queue {
#define AUTOFS_SBI_MAGIC 0x6d4a556d
#define AUTOFS_TYPE_INDIRECT 0x0001
#define AUTOFS_TYPE_DIRECT 0x0002
#define AUTOFS_TYPE_OFFSET 0x0004
struct autofs_sb_info {
u32 magic;
int pipefd;

2
fs/autofs4/expire.c
View File

@ -479,7 +479,7 @@ int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt,
if (arg && get_user(do_now, arg))
return -EFAULT;
if (sbi->type & AUTOFS_TYPE_DIRECT)
if (sbi->type & AUTOFS_TYPE_TRIGGER)
dentry = autofs4_expire_direct(sb, mnt, sbi, do_now);
else
dentry = autofs4_expire_indirect(sb, mnt, sbi, do_now);

6
fs/autofs4/inode.c
View File

@ -288,7 +288,7 @@ static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid,
*type = AUTOFS_TYPE_DIRECT;
break;
case Opt_offset:
*type = AUTOFS_TYPE_DIRECT | AUTOFS_TYPE_OFFSET;
*type = AUTOFS_TYPE_OFFSET;
break;
default:
return 1;
@ -336,7 +336,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
sbi->sb = s;
sbi->version = 0;
sbi->sub_version = 0;
sbi->type = 0;
sbi->type = AUTOFS_TYPE_INDIRECT;
sbi->min_proto = 0;
sbi->max_proto = 0;
mutex_init(&sbi->wq_mutex);
@ -378,7 +378,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
}
root_inode->i_fop = &autofs4_root_operations;
root_inode->i_op = sbi->type & AUTOFS_TYPE_DIRECT ?
root_inode->i_op = sbi->type & AUTOFS_TYPE_TRIGGER ?
&autofs4_direct_root_inode_operations :
&autofs4_indirect_root_inode_operations;

8
fs/autofs4/waitq.c
View File

@ -337,7 +337,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
* is very similar for indirect mounts except only dentrys
* in the root of the autofs file system may be negative.
*/
if (sbi->type & (AUTOFS_TYPE_DIRECT|AUTOFS_TYPE_OFFSET))
if (sbi->type & AUTOFS_TYPE_TRIGGER)
return -ENOENT;
else if (!IS_ROOT(dentry->d_parent))
return -ENOENT;
@ -348,7 +348,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
return -ENOMEM;
/* If this is a direct mount request create a dummy name */
if (IS_ROOT(dentry) && (sbi->type & AUTOFS_TYPE_DIRECT))
if (IS_ROOT(dentry) && sbi->type & AUTOFS_TYPE_TRIGGER)
qstr.len = sprintf(name, "%p", dentry);
else {
qstr.len = autofs4_getpath(sbi, dentry, &name);
@ -406,11 +406,11 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry,
type = autofs_ptype_expire_multi;
} else {
if (notify == NFY_MOUNT)
type = (sbi->type & AUTOFS_TYPE_DIRECT) ?
type = (sbi->type & AUTOFS_TYPE_TRIGGER) ?
autofs_ptype_missing_direct :
autofs_ptype_missing_indirect;
else
type = (sbi->type & AUTOFS_TYPE_DIRECT) ?
type = (sbi->type & AUTOFS_TYPE_TRIGGER) ?
autofs_ptype_expire_direct :
autofs_ptype_expire_indirect;
}

5
include/linux/auto_fs4.h
View File

@ -29,6 +29,11 @@
#define AUTOFS_EXP_IMMEDIATE 1
#define AUTOFS_EXP_LEAVES 2
#define AUTOFS_TYPE_ANY 0x0000
#define AUTOFS_TYPE_INDIRECT 0x0001
#define AUTOFS_TYPE_DIRECT 0x0002
#define AUTOFS_TYPE_OFFSET 0x0004
/* Daemon notification packet types */
enum autofs_notify {
NFY_NONE,