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authorJan Kara <jack@suse.cz>2012-07-03 16:45:31 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-22 23:58:45 +0400
commit5c0d6b60a0ba46d45020547eacf7199171920935 (patch)
tree7d9f99cc40981dc0872e1ac33317f48b9e1f2bfb /include/linux/fs.h
parentb3de653105180b57af90ef2f5b8441f085f4ff56 (diff)
downloadop-kernel-dev-5c0d6b60a0ba46d45020547eacf7199171920935.zip
op-kernel-dev-5c0d6b60a0ba46d45020547eacf7199171920935.tar.gz
vfs: Create function for iterating over block devices
Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 48548bd..6a6ca85 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2102,6 +2102,7 @@ extern sector_t blkdev_max_block(struct block_device *bdev);
extern void bd_forget(struct inode *inode);
extern void bdput(struct block_device *);
extern void invalidate_bdev(struct block_device *);
+extern void iterate_bdevs(void (*)(struct block_device *, void *), void *);
extern int sync_blockdev(struct block_device *bdev);
extern void kill_bdev(struct block_device *);
extern struct super_block *freeze_bdev(struct block_device *);
@@ -2123,6 +2124,10 @@ static inline int thaw_bdev(struct block_device *bdev, struct super_block *sb)
{
return 0;
}
+
+static inline void iterate_bdevs(void (*f)(struct block_device *, void *), void *arg)
+{
+}
#endif
extern int sync_filesystem(struct super_block *);
extern const struct file_operations def_blk_fops;
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