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authorRafael J. Wysocki <rjw@sisk.pl>2009-07-30 19:38:04 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2009-07-30 19:38:04 +0200
commit2e6713c7662cc5ebc7346b033c404cb2f708fd51 (patch)
tree8492ea548fea2d8243e4af4b877906afc4e32783 /fs
parentb4093d6235b7e4249616651ee328600ced48a18a (diff)
parent658874f05d040ca96eb5ba9b1c30ce0ff287d762 (diff)
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Merge branch 'master' into for-linus
Diffstat (limited to 'fs')
-rw-r--r--fs/block_dev.c10
-rw-r--r--fs/ramfs/file-nommu.c1
-rw-r--r--fs/sysfs/dir.c2
3 files changed, 13 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 3a6d4fb..94dfda2 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -564,6 +564,16 @@ struct block_device *bdget(dev_t dev)
EXPORT_SYMBOL(bdget);
+/**
+ * bdgrab -- Grab a reference to an already referenced block device
+ * @bdev: Block device to grab a reference to.
+ */
+struct block_device *bdgrab(struct block_device *bdev)
+{
+ atomic_inc(&bdev->bd_inode->i_count);
+ return bdev;
+}
+
long nr_blockdev_pages(void)
{
struct block_device *bdev;
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index ebb2c41..11f0c06 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -20,6 +20,7 @@
#include <linux/ramfs.h>
#include <linux/pagevec.h>
#include <linux/mman.h>
+#include <linux/sched.h>
#include <asm/uaccess.h>
#include "internal.h"
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index d88d0fa..14f2d71 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -939,8 +939,10 @@ again:
/* Remove from old parent's list and insert into new parent's list. */
sysfs_unlink_sibling(sd);
sysfs_get(new_parent_sd);
+ drop_nlink(old_parent->d_inode);
sysfs_put(sd->s_parent);
sd->s_parent = new_parent_sd;
+ inc_nlink(new_parent->d_inode);
sysfs_link_sibling(sd);
out_unlock: