diff options
| author | Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com> | 2010-10-22 10:08:45 -0700 |
|---|---|---|
| committer | Venkateswararao Jujjuri (JV) <jvrao@linux.vnet.ibm.com> | 2010-12-02 16:06:47 -0800 |
| commit | 49594973fb38283e8c469892fe5eac2942d9bd25 (patch) | |
| tree | 7e2fabba2094a660c801dcc3340cab5224a90f57 /hw/virtio-9p-local.c | |
| parent | 6a8657528d94fa1be78d1be0821a01a251fa2de9 (diff) | |
[virtio-9p] Add datasync to server side TFSYNC/RFSYNC for dotl
SYNOPSIS
size[4] Tfsync tag[2] fid[4] datasync[4]
size[4] Rfsync tag[2]
DESCRIPTION
The Tfsync transaction transfers ("flushes") all modified in-core data of
file identified by fid to the disk device (or other permanent storage
device) where that file resides.
If datasync flag is specified data will be fleshed but does not flush
modified metadata unless that metadata is needed in order to allow a
subsequent data retrieval to be correctly handled.
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Diffstat (limited to 'hw/virtio-9p-local.c')
| -rw-r--r-- | hw/virtio-9p-local.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/virtio-9p-local.c b/hw/virtio-9p-local.c index 0d520201b4..656bfb375b 100644 --- a/hw/virtio-9p-local.c +++ b/hw/virtio-9p-local.c @@ -490,9 +490,13 @@ static int local_remove(FsContext *ctx, const char *path) return remove(rpath(ctx, path)); } -static int local_fsync(FsContext *ctx, int fd) +static int local_fsync(FsContext *ctx, int fd, int datasync) { - return fsync(fd); + if (datasync) { + return qemu_fdatasync(fd); + } else { + return fsync(fd); + } } static int local_statfs(FsContext *s, const char *path, struct statfs *stbuf) |