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authorPeter Korsgaard <jacmet@sunsite.dk>2010-03-16 21:55:21 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2010-05-21 09:37:30 -0700
commitda5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1 (patch)
tree172df2771cbfbb8501aaf6e04c34b4fc1b3c7cca /drivers/base/devtmpfs.c
parent1653268b1b538981df9bb85d637456530938be6c (diff)
downloadop-kernel-dev-da5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1.zip
op-kernel-dev-da5e4ef7fdb8f2fb0878dee3bd9d4dd10cea8cf1.tar.gz
devtmpfs: support !CONFIG_TMPFS
Make devtmpfs available on (embedded) configurations without SHMEM/TMPFS, using ramfs instead. Saves ~15KB. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/base/devtmpfs.c')
-rw-r--r--drivers/base/devtmpfs.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 057cf11..af06001 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -20,6 +20,7 @@
#include <linux/namei.h>
#include <linux/fs.h>
#include <linux/shmem_fs.h>
+#include <linux/ramfs.h>
#include <linux/cred.h>
#include <linux/sched.h>
#include <linux/init_task.h>
@@ -45,7 +46,11 @@ __setup("devtmpfs.mount=", mount_param);
static int dev_get_sb(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data, struct vfsmount *mnt)
{
+#ifdef CONFIG_TMPFS
return get_sb_single(fs_type, flags, data, shmem_fill_super, mnt);
+#else
+ return get_sb_single(fs_type, flags, data, ramfs_fill_super, mnt);
+#endif
}
static struct file_system_type dev_fs_type = {
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