These changes are the raw update to qemu-2.6.

[kvmfornfv.git] / qemu / hw / 9pfs / virtio-9p-xattr.c

diff --git a/qemu/hw/9pfs/virtio-9p-xattr.c b/qemu/hw/9pfs/virtio-9p-xattr.c
deleted file mode 100644 (file)
index 0718388..0000000
--- a/qemu/hw/9pfs/virtio-9p-xattr.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * Virtio 9p  xattr callback
- *
- * Copyright IBM, Corp. 2010
- *
- * Authors:
- * Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
- *
- */
-
-#include "hw/virtio/virtio.h"
-#include "virtio-9p.h"
-#include "fsdev/file-op-9p.h"
-#include "virtio-9p-xattr.h"
-
-
-static XattrOperations *get_xattr_operations(XattrOperations **h,
-                                             const char *name)
-{
-    XattrOperations *xops;
-    for (xops = *(h)++; xops != NULL; xops = *(h)++) {
-        if (!strncmp(name, xops->name, strlen(xops->name))) {
-            return xops;
-        }
-    }
-    return NULL;
-}
-
-ssize_t v9fs_get_xattr(FsContext *ctx, const char *path,
-                       const char *name, void *value, size_t size)
-{
-    XattrOperations *xops = get_xattr_operations(ctx->xops, name);
-    if (xops) {
-        return xops->getxattr(ctx, path, name, value, size);
-    }
-    errno = EOPNOTSUPP;
-    return -1;
-}
-
-ssize_t pt_listxattr(FsContext *ctx, const char *path,
-                     char *name, void *value, size_t size)
-{
-    int name_size = strlen(name) + 1;
-    if (!value) {
-        return name_size;
-    }
-
-    if (size < name_size) {
-        errno = ERANGE;
-        return -1;
-    }
-
-    /* no need for strncpy: name_size is strlen(name)+1 */
-    memcpy(value, name, name_size);
-    return name_size;
-}
-
-
-/*
- * Get the list and pass to each layer to find out whether
- * to send the data or not
- */
-ssize_t v9fs_list_xattr(FsContext *ctx, const char *path,
-                        void *value, size_t vsize)
-{
-    ssize_t size = 0;
-    char *buffer;
-    void *ovalue = value;
-    XattrOperations *xops;
-    char *orig_value, *orig_value_start;
-    ssize_t xattr_len, parsed_len = 0, attr_len;
-
-    /* Get the actual len */
-    buffer = rpath(ctx, path);
-    xattr_len = llistxattr(buffer, value, 0);
-    if (xattr_len <= 0) {
-        g_free(buffer);
-        return xattr_len;
-    }
-
-    /* Now fetch the xattr and find the actual size */
-    orig_value = g_malloc(xattr_len);
-    xattr_len = llistxattr(buffer, orig_value, xattr_len);
-    g_free(buffer);
-
-    /* store the orig pointer */
-    orig_value_start = orig_value;
-    while (xattr_len > parsed_len) {
-        xops = get_xattr_operations(ctx->xops, orig_value);
-        if (!xops) {
-            goto next_entry;
-        }
-
-        if (!value) {
-            size += xops->listxattr(ctx, path, orig_value, value, vsize);
-        } else {
-            size = xops->listxattr(ctx, path, orig_value, value, vsize);
-            if (size < 0) {
-                goto err_out;
-            }
-            value += size;
-            vsize -= size;
-        }
-next_entry:
-        /* Got the next entry */
-        attr_len = strlen(orig_value) + 1;
-        parsed_len += attr_len;
-        orig_value += attr_len;
-    }
-    if (value) {
-        size = value - ovalue;
-    }
-
-err_out:
-    g_free(orig_value_start);
-    return size;
-}
-
-int v9fs_set_xattr(FsContext *ctx, const char *path, const char *name,
-                   void *value, size_t size, int flags)
-{
-    XattrOperations *xops = get_xattr_operations(ctx->xops, name);
-    if (xops) {
-        return xops->setxattr(ctx, path, name, value, size, flags);
-    }
-    errno = EOPNOTSUPP;
-    return -1;
-
-}
-
-int v9fs_remove_xattr(FsContext *ctx,
-                      const char *path, const char *name)
-{
-    XattrOperations *xops = get_xattr_operations(ctx->xops, name);
-    if (xops) {
-        return xops->removexattr(ctx, path, name);
-    }
-    errno = EOPNOTSUPP;
-    return -1;
-
-}
-
-XattrOperations *mapped_xattr_ops[] = {
-    &mapped_user_xattr,
-    &mapped_pacl_xattr,
-    &mapped_dacl_xattr,
-    NULL,
-};
-
-XattrOperations *passthrough_xattr_ops[] = {
-    &passthrough_user_xattr,
-    &passthrough_acl_xattr,
-    NULL,
-};
-
-/* for .user none model should be same as passthrough */
-XattrOperations *none_xattr_ops[] = {
-    &passthrough_user_xattr,
-    &none_acl_xattr,
-    NULL,
-};