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[PATCH] add /sys/fs

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This patch adds an empty /sys/fs, which filesystems can use.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Miklos Szeredi 2006-01-16 22:14:23 -08:00 committed by Linus Torvalds
parent 0e6e1db4ac
commit f87fd4c2a0
2 changed files with 8 additions and 0 deletions
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5
fs/namespace.c
View file

@ -48,6 +48,10 @@ static int hash_mask __read_mostly, hash_bits __read_mostly;
static kmem_cache_t *mnt_cache;
static struct rw_semaphore namespace_sem;
/* /sys/fs */
decl_subsys(fs, NULL, NULL);
EXPORT_SYMBOL_GPL(fs_subsys);
static inline unsigned long hash(struct vfsmount *mnt, struct dentry *dentry)
{
unsigned long tmp = ((unsigned long)mnt / L1_CACHE_BYTES);
@ -1725,6 +1729,7 @@ void __init mnt_init(unsigned long mempages)
i--;
} while (i);
sysfs_init();
subsystem_register(&fs_subsys);
init_rootfs();
init_mount_tree();
}

3
include/linux/fs.h
View file

@ -1290,6 +1290,9 @@ extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
extern int vfs_statfs(struct super_block *, struct kstatfs *);
/* /sys/fs */
extern struct subsystem fs_subsys;
#define FLOCK_VERIFY_READ 1
#define FLOCK_VERIFY_WRITE 2