diff options
| -rw-r--r-- | source3/modules/vfs_commit.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/source3/modules/vfs_commit.c b/source3/modules/vfs_commit.c index c9c0a056a5d..a6bc2a4a656 100644 --- a/source3/modules/vfs_commit.c +++ b/source3/modules/vfs_commit.c @@ -19,6 +19,7 @@ #include "includes.h" #include "system/filesys.h" #include "smbd/smbd.h" +#include "lib/util/tevent_unix.h" /* Commit data module. * @@ -275,6 +276,83 @@ static ssize_t commit_pwrite( return ret; } +struct commit_pwrite_state { + struct vfs_handle_struct *handle; + struct files_struct *fsp; + ssize_t ret; + int err; +}; + +static void commit_pwrite_written(struct tevent_req *subreq); + +static struct tevent_req *commit_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, *subreq; + struct commit_pwrite_state *state; + + req = tevent_req_create(mem_ctx, &state, struct commit_pwrite_state); + if (req == NULL) { + return NULL; + } + state->handle = handle; + state->fsp = fsp; + + subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data, + n, offset); + if (tevent_req_nomem(subreq, req)) { + return tevent_req_post(req, ev); + } + tevent_req_set_callback(subreq, commit_pwrite_written, req); + return req; +} + +static void commit_pwrite_written(struct tevent_req *subreq) +{ + struct tevent_req *req = tevent_req_callback_data( + subreq, struct tevent_req); + struct commit_pwrite_state *state = tevent_req_data( + req, struct commit_pwrite_state); + int commit_ret; + + state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err); + TALLOC_FREE(subreq); + + if (state->ret <= 0) { + tevent_req_done(req); + return; + } + + /* + * Ok, this is a sync fake. We should make the sync async as well, but + * I'm too lazy for that right now -- vl + */ + commit_ret = commit(state->handle, state->fsp, state->fsp->fh->pos, + state->ret); + + if (commit_ret == -1) { + state->ret = -1; + } + + tevent_req_done(req); +} + +static ssize_t commit_pwrite_recv(struct tevent_req *req, int *err) +{ + struct commit_pwrite_state *state = + tevent_req_data(req, struct commit_pwrite_state); + + if (tevent_req_is_unix_error(req, err)) { + return -1; + } + *err = state->err; + return state->ret; +} + static int commit_close( vfs_handle_struct * handle, files_struct * fsp) @@ -309,6 +387,8 @@ static struct vfs_fn_pointers vfs_commit_fns = { .close_fn = commit_close, .write_fn = commit_write, .pwrite_fn = commit_pwrite, + .pwrite_send_fn = commit_pwrite_send, + .pwrite_recv_fn = commit_pwrite_recv, .connect_fn = commit_connect, .ftruncate_fn = commit_ftruncate }; |