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| author |   Trond Myklebust <trondmy@gmail.com> | 2019-10-31 18:40:32 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-11-01 10:59:26 -0400 |
| commit | be3df3dd4c70ee020587a943a31b98a0fb4b6424 (patch) | |
| tree | fc9a15033a2e3285ca917bd41a01d0503961e89d /fs/nfs/delegation.h | |
| parent | SUNRPC: Destroy the back channel when we destroy the host transport (diff) | |
| download | linux-dev-be3df3dd4c70ee020587a943a31b98a0fb4b6424.tar.xz linux-dev-be3df3dd4c70ee020587a943a31b98a0fb4b6424.zip | |
NFSv4: Don't allow a cached open with a revoked delegation
If the delegation is marked as being revoked, we must not use it
for cached opens.
Fixes: 869f9dfa4d6d ("NFSv4: Fix races between nfs_remove_bad_delegation() and delegation return")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/delegation.h')
| -rw-r--r-- | fs/nfs/delegation.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h index 9eb87ae4c982..8b14d441e699 100644 --- a/fs/nfs/delegation.h +++ b/fs/nfs/delegation.h @@ -68,6 +68,7 @@ int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, bool nfs4_copy_delegation_stateid(struct inode *inode, fmode_t flags, nfs4_stateid *dst, const struct cred **cred); bool nfs4_refresh_delegation_stateid(nfs4_stateid *dst, struct inode *inode); +struct nfs_delegation *nfs4_get_valid_delegation(const struct inode *inode); void nfs_mark_delegation_referenced(struct nfs_delegation *delegation); int nfs4_have_delegation(struct inode *inode, fmode_t flags); int nfs4_check_delegation(struct inode *inode, fmode_t flags); |