From: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
Add a new O_TMPFILE method to VFS inteface.
For more info, please refer to:
http://oss.sgi.com/archives/xfs/2013-08/msg00336.html
Signed-off-by: Zhi Yong Wu <wu...@linux.vnet.ibm.com>
---
fs/xfs/xfs_iops.c | 22 ++++++++++++++++++++++
1 files changed, 22 insertions(+), 0 deletions(-)
diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index eb55be5..b57cd89 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -39,6 +39,7 @@
#include "xfs_da_btree.h"
#include "xfs_dir2_priv.h"
#include "xfs_dinode.h"
+#include "xfs_trans_space.h"
#include <linux/capability.h>
#include <linux/xattr.h>
@@ -1051,6 +1052,25 @@ xfs_vn_fiemap(
return 0;
}
+STATIC int
+xfs_vn_tmpfile(
+ struct inode *dir,
+ struct dentry *dentry,
+ umode_t mode)
+{
+ struct xfs_inode *ip = NULL;
+ int error;
+
+ error = xfs_create_tmpfile(XFS_I(dir), XFS_I(dir)->i_mount,
+ mode, 0, &ip);
+ if (error)
+ return -error;
+
+ d_instantiate(dentry, VFS_I(ip));
+
+ return -error;
+}
+
static const struct inode_operations xfs_inode_operations = {
.get_acl = xfs_get_acl,
.getattr = xfs_vn_getattr,
@@ -1087,6 +1107,7 @@ static const struct inode_operations
xfs_dir_inode_operations = {
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
.update_time = xfs_vn_update_time,
+ .tmpfile = xfs_vn_tmpfile,
};
static const struct inode_operations xfs_dir_ci_inode_operations = {
@@ -1113,6 +1134,7 @@ static const struct inode_operations
xfs_dir_ci_inode_operations = {
.removexattr = generic_removexattr,
.listxattr = xfs_vn_listxattr,
.update_time = xfs_vn_update_time,
+ .tmpfile = xfs_vn_tmpfile,
};
static const struct inode_operations xfs_symlink_inode_operations = {
--
1.7.6.5
--
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