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[PATCH] NFS: Add support for NFSv3 ACLs

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This adds acl support fo nfs clients via the NFSACL protocol extension, by
 implementing the getxattr, listxattr, setxattr, and removexattr iops for the
 system.posix_acl_access and system.posix_acl_default attributes.  This patch
 implements a dumb version that uses no caching (and thus adds some overhead).
 (Another patch in this patchset adds caching as well.)

 Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
 Acked-by: Olaf Kirch <okir@suse.de>
 Signed-off-by: Andrew Morton <akpm@osdl.org>
 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Andreas Gruenbacher
2005-06-22 17:16:27 +00:00
committed by Trond Myklebust
parent a257cdd0e2
commit b7fa0554cf
13 changed files with 601 additions and 6 deletions
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31
include/linux/nfs_fs.h
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@@ -301,6 +301,9 @@ extern u32 root_nfs_parse_addr(char *name); /*__init*/
* linux/fs/nfs/file.c
*/
extern struct inode_operations nfs_file_inode_operations;
#ifdef CONFIG_NFS_V3
extern struct inode_operations nfs3_file_inode_operations;
#endif /* CONFIG_NFS_V3 */
extern struct file_operations nfs_file_operations;
extern struct address_space_operations nfs_file_aops;
@@ -315,6 +318,22 @@ static inline struct rpc_cred *nfs_file_cred(struct file *file)
return NULL;
}
/*
* linux/fs/nfs/xattr.c
*/
#ifdef CONFIG_NFS_V3_ACL
extern ssize_t nfs3_listxattr(struct dentry *, char *, size_t);
extern ssize_t nfs3_getxattr(struct dentry *, const char *, void *, size_t);
extern int nfs3_setxattr(struct dentry *, const char *,
const void *, size_t, int);
extern int nfs3_removexattr (struct dentry *, const char *name);
#else
# define nfs3_listxattr NULL
# define nfs3_getxattr NULL
# define nfs3_setxattr NULL
# define nfs3_removexattr NULL
#endif
/*
* linux/fs/nfs/direct.c
*/
@@ -329,6 +348,9 @@ extern ssize_t nfs_file_direct_write(struct kiocb *iocb, const char __user *buf,
* linux/fs/nfs/dir.c
*/
extern struct inode_operations nfs_dir_inode_operations;
#ifdef CONFIG_NFS_V3
extern struct inode_operations nfs3_dir_inode_operations;
#endif /* CONFIG_NFS_V3 */
extern struct file_operations nfs_dir_operations;
extern struct dentry_operations nfs_dentry_operations;
@@ -449,6 +471,15 @@ static inline void nfs_readdata_free(struct nfs_read_data *p)
extern void nfs_readdata_release(struct rpc_task *task);
/*
* linux/fs/nfs3proc.c
*/
#ifdef CONFIG_NFS_V3_ACL
extern struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type);
extern int nfs3_proc_setacl(struct inode *inode, int type,
struct posix_acl *acl);
#endif /* CONFIG_NFS_V3_ACL */
/*
* linux/fs/mount_clnt.c
* (Used only by nfsroot module)