diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-05-08 15:16:22 +0530 |
|---|---|---|
| committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-08-22 09:44:47 +0530 |
| commit | 7eafdcc96c13535bad6137ea33a1bcacb5e48cd8 (patch) | |
| tree | 87a5004ac1707ebd3aa37dffd705a43e29e9b03c | |
| parent | 8c158561a0a0aff9c245260a7284e8498093ab20 (diff) | |
hw/9pfs: Add yield support for preadv coroutine
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
| -rw-r--r-- | hw/9pfs/cofile.c | 17 | ||||
| -rw-r--r-- | hw/9pfs/virtio-9p-coth.h | 2 |
2 files changed, 19 insertions, 0 deletions
diff --git a/hw/9pfs/cofile.c b/hw/9pfs/cofile.c index e0d032dc15..e388146422 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -144,3 +144,20 @@ int v9fs_co_pwritev(V9fsState *s, V9fsFidState *fidp, }); return err; } + +int v9fs_co_preadv(V9fsState *s, V9fsFidState *fidp, + struct iovec *iov, int iovcnt, int64_t offset) +{ + int fd; + int err; + + fd = fidp->fs.fd; + v9fs_co_run_in_worker( + { + err = s->ops->preadv(&s->ctx, fd, iov, iovcnt, offset); + if (err < 0) { + err = -errno; + } + }); + return err; +} diff --git a/hw/9pfs/virtio-9p-coth.h b/hw/9pfs/virtio-9p-coth.h index fa408f876e..5fa2972683 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -91,4 +91,6 @@ extern int v9fs_co_symlink(V9fsState *, V9fsFidState *, const char *, extern int v9fs_co_link(V9fsState *, V9fsString *, V9fsString *); extern int v9fs_co_pwritev(V9fsState *, V9fsFidState *, struct iovec *, int, int64_t); +extern int v9fs_co_preadv(V9fsState *, V9fsFidState *, + struct iovec *, int, int64_t); #endif |