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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-01-24 20:19:19 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2015-01-25 00:46:48 +0100 |
| commit | b4019c0e219bb1301865f8b2efedb4773526ed91 (patch) | |
| tree | da35f3bd1548e9a132b57770829bc40f50134b3d /fs/nfs/nfs4proc.c | |
| parent | NFSv4: Update of VFS byte range lock must be atomic with the stateid update (diff) | |
| download | linux-b4019c0e219bb1301865f8b2efedb4773526ed91.tar.xz linux-b4019c0e219bb1301865f8b2efedb4773526ed91.zip | |
NFSv4.1: Allow parallel LOCK/LOCKU calls
Note, however, that we still serialise on the open stateid if the lock
stateid is unconfirmed. Hopefully that will not prove too much of a
burden for first time locks; it should leave the ability to parallelise
OPENs unchanged, since they no longer call the serialisation primitives.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs/nfs/nfs4proc.c')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 9f6baf98942c..66befb0dd241 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -5517,6 +5517,7 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock * struct nfs_seqid *seqid; struct nfs4_lock_state *lsp; struct rpc_task *task; + struct nfs_seqid *(*alloc_seqid)(struct nfs_seqid_counter *, gfp_t); int status = 0; unsigned char fl_flags = request->fl_flags; @@ -5540,7 +5541,8 @@ static int nfs4_proc_unlck(struct nfs4_state *state, int cmd, struct file_lock * lsp = request->fl_u.nfs4_fl.owner; if (test_bit(NFS_LOCK_INITIALIZED, &lsp->ls_flags) == 0) goto out; - seqid = nfs_alloc_seqid(&lsp->ls_seqid, GFP_KERNEL); + alloc_seqid = NFS_SERVER(inode)->nfs_client->cl_mvops->alloc_seqid; + seqid = alloc_seqid(&lsp->ls_seqid, GFP_KERNEL); status = -ENOMEM; if (IS_ERR(seqid)) goto out; @@ -5575,6 +5577,7 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl, struct nfs4_lockdata *p; struct inode *inode = lsp->ls_state->inode; struct nfs_server *server = NFS_SERVER(inode); + struct nfs_seqid *(*alloc_seqid)(struct nfs_seqid_counter *, gfp_t); p = kzalloc(sizeof(*p), gfp_mask); if (p == NULL) @@ -5585,7 +5588,8 @@ static struct nfs4_lockdata *nfs4_alloc_lockdata(struct file_lock *fl, p->arg.open_seqid = nfs_alloc_seqid(&lsp->ls_state->owner->so_seqid, gfp_mask); if (IS_ERR(p->arg.open_seqid)) goto out_free; - p->arg.lock_seqid = nfs_alloc_seqid(&lsp->ls_seqid, gfp_mask); + alloc_seqid = server->nfs_client->cl_mvops->alloc_seqid; + p->arg.lock_seqid = alloc_seqid(&lsp->ls_seqid, gfp_mask); if (IS_ERR(p->arg.lock_seqid)) goto out_free_seqid; p->arg.lock_owner.clientid = server->nfs_client->cl_clientid; |