diff options
Diffstat (limited to 'fs/nfs_common/nfsacl.c')
| -rw-r--r-- | fs/nfs_common/nfsacl.c | 32 |
1 files changed, 26 insertions, 6 deletions
diff --git a/fs/nfs_common/nfsacl.c b/fs/nfs_common/nfsacl.c index fc1c52571c0..a3e78bd1867 100644 --- a/fs/nfs_common/nfsacl.c +++ b/fs/nfs_common/nfsacl.c @@ -72,9 +72,20 @@ xdr_nfsace_encode(struct xdr_array2_desc *desc, void *elem) return 0; } -unsigned int -nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, - struct posix_acl *acl, int encode_entries, int typeflag) +/** + * nfsacl_encode - Encode an NFSv3 ACL + * + * @buf: destination xdr_buf to contain XDR encoded ACL + * @base: byte offset in xdr_buf where XDR'd ACL begins + * @inode: inode of file whose ACL this is + * @acl: posix_acl to encode + * @encode_entries: whether to encode ACEs as well + * @typeflag: ACL type: NFS_ACL_DEFAULT or zero + * + * Returns size of encoded ACL in bytes or a negative errno value. + */ +int nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, + struct posix_acl *acl, int encode_entries, int typeflag) { int entries = (acl && acl->a_count) ? max_t(int, acl->a_count, 4) : 0; struct nfsacl_encode_desc nfsacl_desc = { @@ -224,9 +235,18 @@ posix_acl_from_nfsacl(struct posix_acl *acl) return 0; } -unsigned int -nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, - struct posix_acl **pacl) +/** + * nfsacl_decode - Decode an NFSv3 ACL + * + * @buf: xdr_buf containing XDR'd ACL data to decode + * @base: byte offset in xdr_buf where XDR'd ACL begins + * @aclcnt: count of ACEs in decoded posix_acl + * @pacl: buffer in which to place decoded posix_acl + * + * Returns the length of the decoded ACL in bytes, or a negative errno value. + */ +int nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, + struct posix_acl **pacl) { struct nfsacl_decode_desc nfsacl_desc = { .desc = { |