diff options
| author | NeilBrown <neilb@suse.com> | 2018-12-03 01:30:30 +0100 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2018-12-19 19:52:45 +0100 |
| commit | ddf529eeed59184c49dcad1633c11831f822bf6b (patch) | |
| tree | c648594f18928ae2897f01ade6ca8ef337cec46f /fs/nfs/inode.c | |
| parent | SUNRPC: add side channel to use non-generic cred for rpc call. (diff) | |
| download | linux-ddf529eeed59184c49dcad1633c11831f822bf6b.tar.xz linux-ddf529eeed59184c49dcad1633c11831f822bf6b.zip | |
NFS: move credential expiry tracking out of SUNRPC into NFS.
NFS needs to know when a credential is about to expire so that
it can modify write-back behaviour to finish the write inside the
expiry time.
It currently uses functions in SUNRPC code which make use of a
fairly complex callback scheme and flags in the generic credientials.
As I am working to discard the generic credentials, this has to change.
This patch moves the logic into NFS, in part by finding and caching
the low-level credential in the open_context. We then make direct
cred-api calls on that.
This makes the code much simpler and removes a dependency on generic
rpc credentials.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/inode.c')
| -rw-r--r-- | fs/nfs/inode.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 5b1eee4952b7..aea015743172 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -962,6 +962,7 @@ struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, nfs_sb_active(dentry->d_sb); ctx->dentry = dget(dentry); ctx->cred = cred; + ctx->ll_cred = NULL; ctx->state = NULL; ctx->mode = f_mode; ctx->flags = 0; @@ -1001,6 +1002,7 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync) put_rpccred(ctx->cred); dput(ctx->dentry); nfs_sb_deactive(sb); + put_rpccred(ctx->ll_cred); kfree(ctx->mdsthreshold); kfree_rcu(ctx, rcu_head); } |