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author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
tree | 65ca85f13617aee1dce474596800950f266a456c /hw/9pfs/coxattr.c | |
download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip |
Diffstat (limited to 'hw/9pfs/coxattr.c')
-rw-r--r-- | hw/9pfs/coxattr.c | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/hw/9pfs/coxattr.c b/hw/9pfs/coxattr.c new file mode 100644 index 00000000..18ee08df --- /dev/null +++ b/hw/9pfs/coxattr.c @@ -0,0 +1,107 @@ + +/* + * Virtio 9p backend + * + * Copyright IBM, Corp. 2011 + * + * 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 "fsdev/qemu-fsdev.h" +#include "qemu/thread.h" +#include "block/coroutine.h" +#include "virtio-9p-coth.h" + +int v9fs_co_llistxattr(V9fsPDU *pdu, V9fsPath *path, void *value, size_t size) +{ + int err; + V9fsState *s = pdu->s; + + if (v9fs_request_cancelled(pdu)) { + return -EINTR; + } + v9fs_path_read_lock(s); + v9fs_co_run_in_worker( + { + err = s->ops->llistxattr(&s->ctx, path, value, size); + if (err < 0) { + err = -errno; + } + }); + v9fs_path_unlock(s); + return err; +} + +int v9fs_co_lgetxattr(V9fsPDU *pdu, V9fsPath *path, + V9fsString *xattr_name, + void *value, size_t size) +{ + int err; + V9fsState *s = pdu->s; + + if (v9fs_request_cancelled(pdu)) { + return -EINTR; + } + v9fs_path_read_lock(s); + v9fs_co_run_in_worker( + { + err = s->ops->lgetxattr(&s->ctx, path, + xattr_name->data, + value, size); + if (err < 0) { + err = -errno; + } + }); + v9fs_path_unlock(s); + return err; +} + +int v9fs_co_lsetxattr(V9fsPDU *pdu, V9fsPath *path, + V9fsString *xattr_name, void *value, + size_t size, int flags) +{ + int err; + V9fsState *s = pdu->s; + + if (v9fs_request_cancelled(pdu)) { + return -EINTR; + } + v9fs_path_read_lock(s); + v9fs_co_run_in_worker( + { + err = s->ops->lsetxattr(&s->ctx, path, + xattr_name->data, value, + size, flags); + if (err < 0) { + err = -errno; + } + }); + v9fs_path_unlock(s); + return err; +} + +int v9fs_co_lremovexattr(V9fsPDU *pdu, V9fsPath *path, + V9fsString *xattr_name) +{ + int err; + V9fsState *s = pdu->s; + + if (v9fs_request_cancelled(pdu)) { + return -EINTR; + } + v9fs_path_read_lock(s); + v9fs_co_run_in_worker( + { + err = s->ops->lremovexattr(&s->ctx, path, xattr_name->data); + if (err < 0) { + err = -errno; + } + }); + v9fs_path_unlock(s); + return err; +} |