2  * 9p  xattr callback
10  * the COPYING file in the top-level directory.
15  * Not so fast! You might want to read the 9p developer docs first:
16  * https://wiki.qemu.org/Documentation/9p
20 #include "9p.h"
21 #include "fsdev/file-op-9p.h"
22 #include "9p-xattr.h"
23 #include "9p-util.h"
24 #include "9p-local.h"
32         if (!strncmp(name, xops->name, strlen(xops->name))) {  in get_xattr_operations()
42     XattrOperations *xops = get_xattr_operations(ctx->xops, name);  in v9fs_get_xattr()
44         return xops->getxattr(ctx, path, name, value, size);  in v9fs_get_xattr()
47     return -1;  in v9fs_get_xattr()
60         return -1;  in pt_listxattr()
75     ssize_t size = 0;  in v9fs_list_xattr()
79     ssize_t xattr_len, parsed_len = 0, attr_len;  in v9fs_list_xattr()
87     if (dirfd == -1) {  in v9fs_list_xattr()
88         return -1;  in v9fs_list_xattr()
92     xattr_len = flistxattrat_nofollow(dirfd, name, value, 0);  in v9fs_list_xattr()
93     if (xattr_len <= 0) {  in v9fs_list_xattr()
104     if (xattr_len < 0) {  in v9fs_list_xattr()
106         return -1;  in v9fs_list_xattr()
112         xops = get_xattr_operations(ctx->xops, orig_value);  in v9fs_list_xattr()
118             size += xops->listxattr(ctx, path, orig_value, value, vsize);  in v9fs_list_xattr()
120             size = xops->listxattr(ctx, path, orig_value, value, vsize);  in v9fs_list_xattr()
121             if (size < 0) {  in v9fs_list_xattr()
125             vsize -= size;  in v9fs_list_xattr()
134         size = value - ovalue;  in v9fs_list_xattr()
145     XattrOperations *xops = get_xattr_operations(ctx->xops, name);  in v9fs_set_xattr()
147         return xops->setxattr(ctx, path, name, value, size, flags);  in v9fs_set_xattr()
150     return -1;  in v9fs_set_xattr()
157     XattrOperations *xops = get_xattr_operations(ctx->xops, name);  in v9fs_remove_xattr()
159         return xops->removexattr(ctx, path, name);  in v9fs_remove_xattr()
162     return -1;  in v9fs_remove_xattr()
172     ssize_t ret = -1;  in local_getxattr_nofollow()
175     if (dirfd == -1) {  in local_getxattr_nofollow()
200     ssize_t ret = -1;  in local_setxattr_nofollow()
203     if (dirfd == -1) {  in local_setxattr_nofollow()
227     ssize_t ret = -1;  in local_removexattr_nofollow()
230     if (dirfd == -1) {  in local_removexattr_nofollow()
251     return -1;  in notsup_getxattr()
258     return -1;  in notsup_setxattr()
264     return 0;  in notsup_listxattr()
270     return -1;  in notsup_removexattr()