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-rw-r--r--fs/nfs/pnfs.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 4df87ef3dccc..869069d8b996 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -128,6 +128,9 @@ struct pnfs_layoutdriver_type {
struct pnfs_layout_segment * (*alloc_lseg) (struct pnfs_layout_hdr *layoutid, struct nfs4_layoutget_res *lgr, gfp_t gfp_flags);
void (*free_lseg) (struct pnfs_layout_segment *lseg);
+ void (*add_lseg) (struct pnfs_layout_hdr *layoutid,
+ struct pnfs_layout_segment *lseg,
+ struct list_head *free_me);
void (*return_range) (struct pnfs_layout_hdr *lo,
struct pnfs_layout_range *range);
@@ -285,6 +288,14 @@ struct pnfs_layout_segment *pnfs_update_layout(struct inode *ino,
gfp_t gfp_flags);
void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo);
+void pnfs_generic_layout_insert_lseg(struct pnfs_layout_hdr *lo,
+ struct pnfs_layout_segment *lseg,
+ bool (*is_after)(const struct pnfs_layout_range *lseg_range,
+ const struct pnfs_layout_range *old),
+ bool (*do_merge)(struct pnfs_layout_segment *lseg,
+ struct pnfs_layout_segment *old),
+ struct list_head *free_me);
+
void nfs4_deviceid_mark_client_invalid(struct nfs_client *clp);
int pnfs_read_done_resend_to_mds(struct nfs_pgio_header *);
int pnfs_write_done_resend_to_mds(struct nfs_pgio_header *);