[PATCH 26/26] migration/rdma: Split qemu_fopen_rdma() into input/output functions

This is how everything else in QEMUFile is structured. As a bonus they are three less lines of code. Reviewed-by: Peter Xu <peterx(a)redhat.com&gt; Message-ID: <20230530183941.7223-17-quintela(a)redhat.com&gt; Signed-off-by: Juan Quintela <quintela(a)redhat.com&gt; --- migration/qemu-file.h | 1 - migration/qemu-file.c | 12 ------------ migration/rdma.c | 39 +++++++++++++++++++-------------------- 3 files changed, 19 insertions(+), 33 deletions(-) diff --git a/migration/qemu-file.h b/migration/qemu-file.h index 8b8b7d27fe..47015f5201 100644 --- a/migration/qemu-file.h +++ b/migration/qemu-file.h @@ -102,7 +102,6 @@ uint64_t qemu_file_transferred_noflush(QEMUFile *f); */ void qemu_put_buffer_async(QEMUFile *f, const uint8_t *buf, size_t size, bool may_free); -bool qemu_file_mode_is_not_valid(const char *mode); #include "migration/qemu-file-types.h" diff --git a/migration/qemu-file.c b/migration/qemu-file.c index d30bf3c377..19c33c9985 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -100,18 +100,6 @@ int qemu_file_shutdown(QEMUFile *f) return 0; } -bool qemu_file_mode_is_not_valid(const char *mode) -{ - if (mode == NULL || - (mode[0] != 'r' && mode[0] != 'w') || - mode[1] != 'b' || mode[2] != 0) { - fprintf(stderr, "qemu_fopen: Argument validity check failed\n"); - return true; - } - - return false; -} - static QEMUFile *qemu_file_new_impl(QIOChannel *ioc, bool is_writable) { QEMUFile *f; diff --git a/migration/rdma.c b/migration/rdma.c index dd1c039e6c..ca430d319d 100644 --- a/migration/rdma.c +++ b/migration/rdma.c @@ -4053,27 +4053,26 @@ static void qio_channel_rdma_register_types(void) type_init(qio_channel_rdma_register_types); -static QEMUFile *qemu_fopen_rdma(RDMAContext *rdma, const char *mode) +static QEMUFile *rdma_new_input(RDMAContext *rdma) { - QIOChannelRDMA *rioc; + QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(object_new(TYPE_QIO_CHANNEL_RDMA)); - if (qemu_file_mode_is_not_valid(mode)) { - return NULL; - } + rioc->file = qemu_file_new_input(QIO_CHANNEL(rioc)); + rioc->rdmain = rdma; + rioc->rdmaout = rdma->return_path; + qemu_file_set_hooks(rioc->file, &rdma_read_hooks); - rioc = QIO_CHANNEL_RDMA(object_new(TYPE_QIO_CHANNEL_RDMA)); + return rioc->file; +} - if (mode[0] == 'w') { - rioc->file = qemu_file_new_output(QIO_CHANNEL(rioc)); - rioc->rdmaout = rdma; - rioc->rdmain = rdma->return_path; - qemu_file_set_hooks(rioc->file, &rdma_write_hooks); - } else { - rioc->file = qemu_file_new_input(QIO_CHANNEL(rioc)); - rioc->rdmain = rdma; - rioc->rdmaout = rdma->return_path; - qemu_file_set_hooks(rioc->file, &rdma_read_hooks); - } +static QEMUFile *rdma_new_output(RDMAContext *rdma) +{ + QIOChannelRDMA *rioc = QIO_CHANNEL_RDMA(object_new(TYPE_QIO_CHANNEL_RDMA)); + + rioc->file = qemu_file_new_output(QIO_CHANNEL(rioc)); + rioc->rdmaout = rdma; + rioc->rdmain = rdma->return_path; + qemu_file_set_hooks(rioc->file, &rdma_write_hooks); return rioc->file; } @@ -4099,9 +4098,9 @@ static void rdma_accept_incoming_migration(void *opaque) return; } - f = qemu_fopen_rdma(rdma, "rb"); + f = rdma_new_input(rdma); if (f == NULL) { - fprintf(stderr, "RDMA ERROR: could not qemu_fopen_rdma\n"); + fprintf(stderr, "RDMA ERROR: could not open RDMA for input\n"); qemu_rdma_cleanup(rdma); return; } @@ -4224,7 +4223,7 @@ void rdma_start_outgoing_migration(void *opaque, trace_rdma_start_outgoing_migration_after_rdma_connect(); - s->to_dst_file = qemu_fopen_rdma(rdma, "wb"); + s->to_dst_file = rdma_new_output(rdma); migrate_fd_connect(s, NULL); return; return_path_err: -- 2.40.1