path: root/fs/orangefs/orangefs-kernel.h
diff options
authorMartin Brandenburg <martin@omnibond.com>2016-08-12 12:02:31 -0400
committerMartin Brandenburg <martin@omnibond.com>2016-08-12 15:12:54 -0400
commit482664ddba81b3a5404fd083bb9697dfffc0b6a4 (patch)
treef4dd0268a8cf58fd898f73dd7b26a0a9ef5d2eff /fs/orangefs/orangefs-kernel.h
parentorangefs: record userspace version for feature compatbility (diff)
orangefs: add features op
This is a new userspace operation, which will be done if the client-core version is greater than or equal to 2.9.6. This will provide a way to implement optional features and to determine which features are supported by the client-core. If the client-core version is older than 2.9.6, no optional features are supported and the op will not be done. The intent is to allow protocol extensions without relying on the client-core's current behavior of ignoring what it doesn't understand. Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Diffstat (limited to 'fs/orangefs/orangefs-kernel.h')
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h
index ff3566a8388f..6cf3f467fd89 100644
--- a/fs/orangefs/orangefs-kernel.h
+++ b/fs/orangefs/orangefs-kernel.h
@@ -447,6 +447,8 @@ void purge_waiting_ops(void);
* defined in super.c
+extern uint64_t orangefs_features;
struct dentry *orangefs_mount(struct file_system_type *fst,
int flags,
const char *devname,
@@ -506,7 +508,7 @@ ssize_t orangefs_inode_read(struct inode *inode,
* defined in devorangefs-req.c
-extern uint32_t userspace_version;
+extern uint32_t orangefs_userspace_version;
int orangefs_dev_init(void);
void orangefs_dev_cleanup(void);