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authorJeff Layton <jlayton@redhat.com>2012-05-16 13:13:17 +0200
committerSteve French <sfrench@us.ibm.com>2012-05-17 03:13:30 +0200
commit6993f74a5bf836210e7f253d5ad3f76d73a95f51 (patch)
tree6b0cf7d6aed03e9d7d0b705cf7ba79792ab062a2 /fs/cifs/cifsproto.h
parentcifs: abstract out function to marshal the iovec for readv receives (diff)
downloadlinux-6993f74a5bf836210e7f253d5ad3f76d73a95f51.tar.xz
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cifs: add refcounting to cifs_readdata structures
This isn't strictly necessary for the async readpages code, but the uncached version will need to be able to collect the replies after issuing the calls. Add a kref to cifs_readdata and use change the code to take and put references appropriately. Signed-off-by: Jeff Layton <jlayton@redhat.com>
Diffstat (limited to 'fs/cifs/cifsproto.h')
-rw-r--r--fs/cifs/cifsproto.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index f309b43848fb..63e91c79564d 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -464,6 +464,7 @@ extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
/* asynchronous read support */
struct cifs_readdata {
+ struct kref refcount;
struct cifsFileInfo *cfile;
struct address_space *mapping;
__u64 offset;
@@ -478,6 +479,7 @@ struct cifs_readdata {
struct kvec iov[1];
};
+void cifs_readdata_release(struct kref *refcount);
int cifs_async_readv(struct cifs_readdata *rdata);
/* asynchronous write support */