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Commit f87fd4c2 authored by Miklos Szeredi's avatar Miklos Szeredi Committed by Linus Torvalds
Browse files

[PATCH] add /sys/fs 



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

Signed-off-by: default avatarMiklos Szeredi <miklos@szeredi.hu>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 0e6e1db4

fs/namespace.c

+5 −0
Original line number Diff line number Diff line
@@ -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();

}

include/linux/fs.h

+3 −0
Original line number Diff line number Diff line
@@ -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