diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-05-08 12:36:59 +0530 |
|---|---|---|
| committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-08-22 09:44:37 +0530 |
| commit | f6b3c976c699451a52bdef7f93a3ef128ee648e3 (patch) | |
| tree | 276a0d84244ddd1390ef7093545f795bdff3c061 /hw/9pfs | |
| parent | ffd668764cb2db02606d74f68c7b59d0585e9d3c (diff) | |
hw/9pfs: Add yield support for pwritev coroutine
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'hw/9pfs')
| -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 52eec2a662..e0d032dc15 100644 --- a/hw/9pfs/cofile.c +++ b/hw/9pfs/cofile.c @@ -127,3 +127,20 @@ int v9fs_co_link(V9fsState *s, V9fsString *oldpath, V9fsString *newpath) }); return err; } + +int v9fs_co_pwritev(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->pwritev(&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 17ffd76f36..fa408f876e 100644 --- a/hw/9pfs/virtio-9p-coth.h +++ b/hw/9pfs/virtio-9p-coth.h @@ -89,4 +89,6 @@ extern int v9fs_co_fsync(V9fsState *, V9fsFidState *, int); extern int v9fs_co_symlink(V9fsState *, V9fsFidState *, const char *, const char *, gid_t); extern int v9fs_co_link(V9fsState *, V9fsString *, V9fsString *); +extern int v9fs_co_pwritev(V9fsState *, V9fsFidState *, + struct iovec *, int, int64_t); #endif |