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| author | J. Bruce Fields <bfields@citi.umich.edu> | 2005-06-22 17:16:23 +0000 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2005-06-22 16:07:14 -0400 |
| commit | 4b580ee3dc00f9828a9a7aad2724f448fdc94075 (patch) | |
| tree | a39ca6a5be4766420c6cc6ea8141fb421280bcb3 | |
| parent | 23ec6965c20db96bc8ea7af0ec178f074dd31c40 (diff) | |
| download | blackbird-op-linux-4b580ee3dc00f9828a9a7aad2724f448fdc94075.tar.gz blackbird-op-linux-4b580ee3dc00f9828a9a7aad2724f448fdc94075.zip | |
[PATCH] NFSv4: ACL support for the NFSv4 client: write
Client-side write support for NFSv4 ACLs.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c91c09938a55..d969dd13e7db 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2216,6 +2216,29 @@ static ssize_t nfs4_proc_get_acl(struct inode *inode, void *buf, size_t buflen) return ret; } +static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen) +{ + struct nfs_server *server = NFS_SERVER(inode); + struct page *pages[NFS4ACL_MAXPAGES]; + struct nfs_setaclargs arg = { + .fh = NFS_FH(inode), + .acl_pages = pages, + .acl_len = buflen, + }; + struct rpc_message msg = { + .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_SETACL], + .rpc_argp = &arg, + .rpc_resp = NULL, + }; + int ret; + + if (!nfs4_server_supports_acls(server)) + return -EOPNOTSUPP; + buf_to_pages(buf, buflen, arg.acl_pages, &arg.acl_pgbase); + ret = rpc_call_sync(NFS_SERVER(inode)->client, &msg, 0); + return ret; +} + static int nfs4_async_handle_error(struct rpc_task *task, struct nfs_server *server) { @@ -2792,7 +2815,16 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request) int nfs4_setxattr(struct dentry *dentry, const char *key, const void *buf, size_t buflen, int flags) { - return -EOPNOTSUPP; + struct inode *inode = dentry->d_inode; + + if (strcmp(key, XATTR_NAME_NFSV4_ACL) != 0) + return -EOPNOTSUPP; + + if (!S_ISREG(inode->i_mode) && + (!S_ISDIR(inode->i_mode) || inode->i_mode & S_ISVTX)) + return -EPERM; + + return nfs4_proc_set_acl(inode, buf, buflen); } /* The getxattr man page suggests returning -ENODATA for unknown attributes, |
