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authorTrond Myklebust <trondmy@gmail.com>2019-09-20 07:23:41 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2019-09-20 15:27:51 -0400
commit287a9c558b9b825b3af36731bb09b06621f3e744 (patch)
tree1d4b29fb5783ebabbdc6f701570d10944a871456 /fs/nfs/pnfs.c
parent9c47b18cf722184f32148784189fca945a7d0561 (diff)
downloadlinux-287a9c558b9b825b3af36731bb09b06621f3e744.tar.bz2
NFSv4: Clean up pNFS return-on-close error handling
Both close and delegreturn have identical code to handle pNFS return-on-close. This patch refactors that code and places it in pnfs.c Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 0418b198edd3..8769422a12f5 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1440,6 +1440,33 @@ out_noroc:
return false;
}
+int pnfs_roc_done(struct rpc_task *task, struct inode *inode,
+ struct nfs4_layoutreturn_args **argpp,
+ struct nfs4_layoutreturn_res **respp,
+ int *ret)
+{
+ struct nfs4_layoutreturn_args *arg = *argpp;
+ int retval = -EAGAIN;
+
+ if (!arg)
+ return 0;
+ /* Handle Layoutreturn errors */
+ switch (*ret) {
+ case 0:
+ retval = 0;
+ break;
+ case -NFS4ERR_OLD_STATEID:
+ if (!nfs4_layoutreturn_refresh_stateid(&arg->stateid,
+ &arg->range, inode))
+ break;
+ *ret = -NFS4ERR_NOMATCHING_LAYOUT;
+ return -EAGAIN;
+ }
+ *argpp = NULL;
+ *respp = NULL;
+ return retval;
+}
+
void pnfs_roc_release(struct nfs4_layoutreturn_args *args,
struct nfs4_layoutreturn_res *res,
int ret)