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authorVolker Lendecke <vl@samba.org>2012-06-26 14:30:59 +0200
committerJeremy Allison <jra@samba.org>2012-07-18 13:49:21 -0700
commitc6e456d9c08eb0d05904802e0f23f15676a13e0d (patch)
tree6066546f482f0dc83285fb5aec0639d4d98d5053 /source3/modules
parentd44ccdd4378d6aafd1dd6322e419d1165635f25b (diff)
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s3-vfs: async pwrite
Signed-off-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'source3/modules')
-rw-r--r--source3/modules/vfs_default.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/source3/modules/vfs_default.c b/source3/modules/vfs_default.c
index f8c5b75977..2235ef98a9 100644
--- a/source3/modules/vfs_default.c
+++ b/source3/modules/vfs_default.c
@@ -29,6 +29,7 @@
#include "passdb/lookup_sid.h"
#include "source3/include/msdfs.h"
#include "librpc/gen_ndr/ndr_dfsblobs.h"
+#include "lib/util/tevent_unix.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
@@ -628,6 +629,51 @@ static ssize_t vfswrap_pwrite(vfs_handle_struct *handle, files_struct *fsp, cons
return result;
}
+struct vfswrap_pwrite_state {
+ ssize_t retval;
+};
+
+static struct tevent_req *vfswrap_pwrite_send(
+ struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx, struct tevent_context *ev,
+ struct files_struct *fsp, const void *data, size_t n, off_t offset)
+{
+ struct tevent_req *req;
+ struct vfswrap_pwrite_state *state;
+ int saved_errno;
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct vfswrap_pwrite_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ START_PROFILE_BYTES(syscall_pwrite, n);
+ state->retval = sys_pwrite(fsp->fh->fd, data, n, offset);
+ saved_errno = errno;
+ END_PROFILE(syscall_pwrite);
+
+ if (state->retval == -1) {
+ tevent_req_error(req, saved_errno);
+ } else {
+ tevent_req_done(req);
+ }
+ return tevent_req_post(req, ev);
+}
+
+static ssize_t vfswrap_pwrite_recv(struct tevent_req *req, int *perrno)
+{
+ struct vfswrap_pwrite_state *state = tevent_req_data(
+ req, struct vfswrap_pwrite_state);
+ int err;
+
+ if (tevent_req_is_unix_error(req, &err)) {
+ *perrno = err;
+ return -1;
+ }
+ return state->retval;
+}
+
static off_t vfswrap_lseek(vfs_handle_struct *handle, files_struct *fsp, off_t offset, int whence)
{
off_t result = 0;
@@ -2211,6 +2257,8 @@ static struct vfs_fn_pointers vfs_default_fns = {
.pread_fn = vfswrap_pread,
.write_fn = vfswrap_write,
.pwrite_fn = vfswrap_pwrite,
+ .pwrite_send_fn = vfswrap_pwrite_send,
+ .pwrite_recv_fn = vfswrap_pwrite_recv,
.lseek_fn = vfswrap_lseek,
.sendfile_fn = vfswrap_sendfile,
.recvfile_fn = vfswrap_recvfile,