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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-11-10 15:40:34 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2016-12-01 17:21:35 -0500 |
| commit | 536585ccf95d34d64e2855f72608095854b8fc0e (patch) | |
| tree | 10529f110766b0aa2dc135763d86f4cc98e89e88 /fs/nfs/nfs4proc.c | |
| parent | e5517c2a5a49ed5e99047008629f1cd60246ea0e (diff) | |
| download | linux-stable-536585ccf95d34d64e2855f72608095854b8fc0e.tar.gz linux-stable-536585ccf95d34d64e2855f72608095854b8fc0e.tar.bz2 linux-stable-536585ccf95d34d64e2855f72608095854b8fc0e.zip | |
NFSv4: Don't check file access when reclaiming state
If we're reclaiming state after a reboot, or as part of returning a
delegation, we don't need to check access modes again.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 241da19b7da4..b582df89c083 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -1221,6 +1221,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, atomic_inc(&sp->so_count); p->o_arg.open_flags = flags; p->o_arg.fmode = fmode & (FMODE_READ|FMODE_WRITE); + p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim); p->o_arg.share_access = nfs4_map_atomic_open_share(server, fmode, flags); /* don't put an ACCESS op in OPEN compound if O_EXCL, because ACCESS @@ -1228,8 +1229,16 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, if (!(flags & O_EXCL)) { /* ask server to check for all possible rights as results * are cached */ - p->o_arg.access = NFS4_ACCESS_READ | NFS4_ACCESS_MODIFY | - NFS4_ACCESS_EXTEND | NFS4_ACCESS_EXECUTE; + switch (p->o_arg.claim) { + default: + break; + case NFS4_OPEN_CLAIM_NULL: + case NFS4_OPEN_CLAIM_FH: + p->o_arg.access = NFS4_ACCESS_READ | + NFS4_ACCESS_MODIFY | + NFS4_ACCESS_EXTEND | + NFS4_ACCESS_EXECUTE; + } } p->o_arg.clientid = server->nfs_client->cl_clientid; p->o_arg.id.create_time = ktime_to_ns(sp->so_seqid.create_time); @@ -1239,7 +1248,6 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, p->o_arg.bitmask = nfs4_bitmask(server, label); p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0]; p->o_arg.label = nfs4_label_copy(p->a_label, label); - p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim); switch (p->o_arg.claim) { case NFS4_OPEN_CLAIM_NULL: case NFS4_OPEN_CLAIM_DELEGATE_CUR: |