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authorSteve French <smfrench@gmail.com>2014-02-08 06:45:12 +0400
committerSteve French <smfrench@gmail.com>2014-02-08 06:47:00 +0400
commit4a5c80d7b5615be8098f9d5da97d166afc318abc (patch)
treeff3e40a816442722056805cc0cc1844051a30988 /fs/cifs/cifsproto.h
parent26c8f0d601f5d4c0d9f4bc8c5151539aae5dc26a (diff)
downloadlinux-4a5c80d7b5615be8098f9d5da97d166afc318abc.tar.xz
[CIFS] clean up page array when uncached write send fails
In the event that a send fails in an uncached write, or we end up needing to reissue it (-EAGAIN case), we'll kfree the wdata but the pages currently leak. Fix this by adding a new kref release routine for uncached writedata that releases the pages, and have the uncached codepaths use that. [original patch by Jeff modified to fix minor formatting problems] Signed-off-by: Jeff Layton <jlayton@redhat.com> Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru> Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/cifsproto.h')
-rw-r--r--fs/cifs/cifsproto.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 79e6e9a93a8c..d00e09dfc452 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -488,7 +488,8 @@ void cifs_readdata_release(struct kref *refcount);
int cifs_async_readv(struct cifs_readdata *rdata);
int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
-int cifs_async_writev(struct cifs_writedata *wdata);
+int cifs_async_writev(struct cifs_writedata *wdata,
+ void (*release)(struct kref *kref));
void cifs_writev_complete(struct work_struct *work);
struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages,
work_func_t complete);