magic.h: move some FS magic numbers into magic.h
- Move open-coded filesystem magic numbers into magic.h
- Rearrange magic.h so that the filesystem-related constants are grouped
together.
Signed-off-by: Muthukumar R <muthur@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 1ffb603..613aa06 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
+#include <linux/magic.h>
#include <linux/binfmts.h>
#include <linux/slab.h>
#include <linux/ctype.h>
@@ -699,7 +700,7 @@
[3] = {"register", &bm_register_operations, S_IWUSR},
/* last one */ {""}
};
- int err = simple_fill_super(sb, 0x42494e4d, bm_files);
+ int err = simple_fill_super(sb, BINFMTFS_MAGIC, bm_files);
if (!err)
sb->s_op = &s_ops;
return err;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index a9ff300..e08f6a20 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -16,6 +16,7 @@
#include <linux/blkdev.h>
#include <linux/module.h>
#include <linux/blkpg.h>
+#include <linux/magic.h>
#include <linux/buffer_head.h>
#include <linux/swap.h>
#include <linux/pagevec.h>
@@ -506,7 +507,7 @@
static struct dentry *bd_mount(struct file_system_type *fs_type,
int flags, const char *dev_name, void *data)
{
- return mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, 0x62646576);
+ return mount_pseudo(fs_type, "bdev:", &bdev_sops, NULL, BDEVFS_MAGIC);
}
static struct file_system_type bd_type = {
diff --git a/fs/pipe.c b/fs/pipe.c
index fe0502f..25feaa3 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -13,6 +13,7 @@
#include <linux/fs.h>
#include <linux/log2.h>
#include <linux/mount.h>
+#include <linux/magic.h>
#include <linux/pipe_fs_i.h>
#include <linux/uio.h>
#include <linux/highmem.h>