pNFS: Add infrastructure for cleaning up per-layout commit structures
Ensure that both the file and flexfiles layout types clean up when
freeing the layout segments.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 2ec97b4..6c48bd7 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -66,6 +66,7 @@ struct nfs4_pnfs_ds {
struct pnfs_layout_segment {
struct list_head pls_list;
struct list_head pls_lc_list;
+ struct list_head pls_commits;
struct pnfs_layout_range pls_range;
refcount_t pls_refcount;
u32 pls_seq;
@@ -370,6 +371,9 @@ void nfs4_deviceid_purge_client(const struct nfs_client *);
/* pnfs_nfs.c */
struct pnfs_commit_array *pnfs_alloc_commit_array(size_t n, gfp_t gfp_flags);
void pnfs_free_commit_array(struct pnfs_commit_array *p);
+void pnfs_generic_ds_cinfo_release_lseg(struct pnfs_ds_commit_info *fl_cinfo,
+ struct pnfs_layout_segment *lseg);
+void pnfs_generic_ds_cinfo_destroy(struct pnfs_ds_commit_info *fl_cinfo);
void pnfs_generic_clear_request_commit(struct nfs_page *req,
struct nfs_commit_info *cinfo);