From: Neil Brown <neilb@cse.unsw.edu.au>
Fix a problem wherein device nodes on a ro-exported mount cannot be opened
read/write.
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/fs/nfsd/vfs.c | 7 ++++---
1 files changed, 4 insertions(+), 3 deletions(-)
diff -puN fs/nfsd/vfs.c~knfsd-server-permissions-fix fs/nfsd/vfs.c
--- 25/fs/nfsd/vfs.c~knfsd-server-permissions-fix 2004-08-20 00:01:04.148046632 -0700
+++ 25-akpm/fs/nfsd/vfs.c 2004-08-20 00:01:04.152046024 -0700
@@ -559,12 +559,13 @@ static struct accessmap nfs3_anyaccess[]
* to the server to check for access for things like /dev/null
* (which really, the server doesn't care about). So
* We provide simple access checking for them, looking
- * mainly at mode bits
+ * mainly at mode bits, and we make sure to ignore read-only
+ * filesystem checks
*/
{ NFS3_ACCESS_READ, MAY_READ },
{ NFS3_ACCESS_EXECUTE, MAY_EXEC },
- { NFS3_ACCESS_MODIFY, MAY_WRITE },
- { NFS3_ACCESS_EXTEND, MAY_WRITE },
+ { NFS3_ACCESS_MODIFY, MAY_WRITE|MAY_LOCAL_ACCESS },
+ { NFS3_ACCESS_EXTEND, MAY_WRITE|MAY_LOCAL_ACCESS },
{ 0, 0 }
};
_