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| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-05-18 16:04:13 -0700 |
|---|---|---|
| committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-08-08 23:42:58 +0530 |
| commit | 172198d4db28d537f9e2cfb8af3fef9cd4d2b543 (patch) | |
| tree | dd773d91e3850453833ec2e261bd2e25e7c4418a | |
| parent | 88a4763e88e7724e739515d3e2c734f7ec0ea9cf (diff) | |
| download | qemu-172198d4db28d537f9e2cfb8af3fef9cd4d2b543.tar.gz | |
hw/9pfs: Add yield support to lstat coroutine
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
| -rw-r--r-- | Makefile.objs | 2 | ||||
| -rw-r--r-- | hw/9pfs/cofile.c | 32 | ||||
| -rw-r--r-- | hw/9pfs/virtio-9p-coth.h | 1 |
3 files changed, 34 insertions, 1 deletions
diff --git a/Makefile.objs b/Makefile.objs index faa2a12528..efacf0fb22 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -305,7 +305,7 @@ hw-obj-$(CONFIG_SOUND) += $(sound-obj-y) 9pfs-nested-$(CONFIG_VIRTFS) = virtio-9p.o virtio-9p-debug.o 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-local.o virtio-9p-xattr.o 9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-xattr-user.o virtio-9p-posix-acl.o -9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-coth.o cofs.o codir.o +9pfs-nested-$(CONFIG_VIRTFS) += virtio-9p-coth.o cofs.o codir.o cofile.o hw-obj-$(CONFIG_REALLY_VIRTFS) += $(addprefix 9pfs/, $(9pfs-nested-y)) $(addprefix 9pfs/, $(9pfs-nested-y)): QEMU_CFLAGS+=$(GLIB_CFLAGS) diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c new file mode 100644 index 0000000000..a4c0ae75cc --- /dev/null +++ b/hw/9pfs/cofile.c @@ -0,0 +1,32 @@ + +/* + * 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 "qemu-coroutine.h" +#include "virtio-9p-coth.h" + +int v9fs_co_lstat(V9fsState *s, V9fsString *path, struct stat *stbuf) +{ + int err; + + v9fs_co_run_in_worker( + { + err = s->ops->lstat(&s->ctx, path->data, stbuf); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index 5d9dc0f6cc..3538d91344 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -63,4 +63,5 @@ extern off_t v9fs_co_telldir(V9fsState *, V9fsFidState *); extern void v9fs_co_seekdir(V9fsState *, V9fsFidState *, off_t); extern void v9fs_co_rewinddir(V9fsState *, V9fsFidState *); extern int v9fs_co_statfs(V9fsState *, V9fsString *, struct statfs *); +extern int v9fs_co_lstat(V9fsState *, V9fsString *, struct stat *); #endif |