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authorWeston Andros Adamson <dros@netapp.com>2012-09-10 14:00:46 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-10-01 15:20:11 -0700
commit6168f62cbde8dcf4f58255794efbcdb8df603959 (patch)
tree897bac0b7539172aa171365337d964f7984b1a80 /include/linux/nfs_fs.h
parent57a51048da742c764b6ce5d028c7f334ae04d363 (diff)
NFSv4: Add ACCESS operation to OPEN compound
The OPEN operation has no way to differentiate an open for read and an open for execution - both look like read to the server. This allowed users to read files that didn't have READ access but did have EXEC access, which is obviously wrong. This patch adds an ACCESS call to the OPEN compound to handle the difference between OPENs for reading and execution. Since we're going through the trouble of calling ACCESS, we check all possible access bits and cache the results hopefully avoiding an ACCESS call in the future. Signed-off-by: Weston Andros Adamson <dros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'include/linux/nfs_fs.h')
-rw-r--r--include/linux/nfs_fs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 383f3313f053..334a2f5f6bf1 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -360,6 +360,8 @@ extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *);
extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr);
extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr);
extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
+extern void nfs_access_add_cache(struct inode *, struct nfs_access_entry *);
+extern void nfs_access_set_mask(struct nfs_access_entry *, u32);
extern int nfs_permission(struct inode *, int);
extern int nfs_open(struct inode *, struct file *);
extern int nfs_release(struct inode *, struct file *);