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authorTrond Myklebust <trond.myklebust@hammerspace.com>2022-10-05 15:57:38 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2022-10-06 09:52:09 -0400
commitb739a5bd9d9f18cc69dced8db128ef7206e000cd (patch)
tree6ac50e2fd260ec36ee89ff7d6a7b7e7731799f5a /fs/nfs/pnfs.h
parentdc4c4304855a5721d214e2a53e17df5152dd5f34 (diff)
NFSv4/flexfiles: Cancel I/O if the layout is recalled or revoked
If the layout is recalled or revoked, we want to cancel I/O as quickly as possible so that we can return the layout. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.h')
-rw-r--r--fs/nfs/pnfs.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index f331f067691b..e3e6a41f19de 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -169,6 +169,8 @@ struct pnfs_layoutdriver_type {
void (*cleanup_layoutcommit) (struct nfs4_layoutcommit_data *data);
int (*prepare_layoutcommit) (struct nfs4_layoutcommit_args *args);
int (*prepare_layoutstats) (struct nfs42_layoutstat_args *args);
+
+ void (*cancel_io)(struct pnfs_layout_segment *lseg);
};
struct pnfs_commit_ops {
@@ -685,6 +687,13 @@ pnfs_lseg_request_intersecting(struct pnfs_layout_segment *lseg, struct nfs_page
req_offset(req), req_last);
}
+static inline void pnfs_lseg_cancel_io(struct nfs_server *server,
+ struct pnfs_layout_segment *lseg)
+{
+ if (server->pnfs_curr_ld->cancel_io)
+ server->pnfs_curr_ld->cancel_io(lseg);
+}
+
extern unsigned int layoutstats_timer;
#ifdef NFS_DEBUG