lkml.org 
[lkml]   [2015]   [Jun]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RFCv2 2/5] fs/anon_inodes: get a new inode
Date
A inode is necessary for some drivers that needs special address_space
and address_space_operation for page migration. Each drivers can create
inode with the anon_inodefs.

Signed-off-by: Gioh Kim <gioh.kim@lge.com>
---
fs/anon_inodes.c | 6 ++++++
include/linux/anon_inodes.h | 1 +
2 files changed, 7 insertions(+)

diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 80ef38c..1d51f96 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -162,6 +162,12 @@ err_put_unused_fd:
}
EXPORT_SYMBOL_GPL(anon_inode_getfd);

+struct inode *anon_inode_new(void)
+{
+ return alloc_anon_inode(anon_inode_mnt->mnt_sb);
+}
+EXPORT_SYMBOL_GPL(anon_inode_new);
+
static int __init anon_inode_init(void)
{
anon_inode_mnt = kern_mount(&anon_inode_fs_type);
diff --git a/include/linux/anon_inodes.h b/include/linux/anon_inodes.h
index 8013a45..ddbd67f 100644
--- a/include/linux/anon_inodes.h
+++ b/include/linux/anon_inodes.h
@@ -15,6 +15,7 @@ struct file *anon_inode_getfile(const char *name,
void *priv, int flags);
int anon_inode_getfd(const char *name, const struct file_operations *fops,
void *priv, int flags);
+struct inode *anon_inode_new(void);

#endif /* _LINUX_ANON_INODES_H */

--
1.9.1


\
 
 \ /
  Last update: 2015-06-26 12:21    [W:0.216 / U:0.012 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site