diff options
author | 2016-05-18 13:18:31 +0300 | |
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committer | 2016-05-18 13:42:15 +0300 | |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/9pfs/virtio-9p-xattr.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/hw/9pfs/virtio-9p-xattr.c')
-rw-r--r-- | qemu/hw/9pfs/virtio-9p-xattr.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/qemu/hw/9pfs/virtio-9p-xattr.c b/qemu/hw/9pfs/virtio-9p-xattr.c deleted file mode 100644 index 07183887c..000000000 --- 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, -}; |