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authorWeston Andros Adamson <dros@primarydata.com>2014-07-17 20:42:18 -0400
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-08-03 17:05:25 -0400
commite6cf82d1830f5e16a10d566f58db70f297ba5da8 (patch)
tree6f6a35753bd58e1d273d68934bacead69a9dbab8 /fs/nfs/pnfs.h
parent02d1426c7053da7c5a828ae9cd7b636ea4e46bf7 (diff)
pnfs: add pnfs_put_lseg_async
This is useful when lsegs need to be released while holding locks. Signed-off-by: Weston Andros Adamson <dros@primarydata.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 203b6c9498b0..aca3dff5dae6 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -32,6 +32,7 @@
#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
+#include <linux/workqueue.h>
enum {
NFS_LSEG_VALID = 0, /* cleared when lseg is recalled/returned */
@@ -46,6 +47,7 @@ struct pnfs_layout_segment {
atomic_t pls_refcount;
unsigned long pls_flags;
struct pnfs_layout_hdr *pls_layout;
+ struct work_struct pls_work;
};
enum pnfs_try_status {
@@ -181,6 +183,7 @@ extern int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp);
/* pnfs.c */
void pnfs_get_layout_hdr(struct pnfs_layout_hdr *lo);
void pnfs_put_lseg(struct pnfs_layout_segment *lseg);
+void pnfs_put_lseg_async(struct pnfs_layout_segment *lseg);
void set_pnfs_layoutdriver(struct nfs_server *, const struct nfs_fh *, u32);
void unset_pnfs_layoutdriver(struct nfs_server *);
@@ -419,6 +422,10 @@ static inline void pnfs_put_lseg(struct pnfs_layout_segment *lseg)
{
}
+static inline void pnfs_put_lseg_async(struct pnfs_layout_segment *lseg)
+{
+}
+
static inline int pnfs_return_layout(struct inode *ino)
{
return 0;