From patchwork Fri Aug 3 17:28:08 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corey Bryant X-Patchwork-Id: 175026 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id D23012C0093 for ; Sat, 4 Aug 2012 03:29:10 +1000 (EST) Received: from localhost ([::1]:33302 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SxLgS-00076W-Tu for incoming@patchwork.ozlabs.org; Fri, 03 Aug 2012 13:29:08 -0400 Received: from eggs.gnu.org ([208.118.235.92]:51695) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SxLgE-0006yq-F0 for qemu-devel@nongnu.org; Fri, 03 Aug 2012 13:28:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SxLgC-0008Gv-2m for qemu-devel@nongnu.org; Fri, 03 Aug 2012 13:28:54 -0400 Received: from e37.co.us.ibm.com ([32.97.110.158]:45935) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SxLgB-0008GN-Rr for qemu-devel@nongnu.org; Fri, 03 Aug 2012 13:28:52 -0400 Received: from /spool/local by e37.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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X-Received-From: 32.97.110.158 Cc: kwolf@redhat.com, aliguori@us.ibm.com, stefanha@linux.vnet.ibm.com, libvir-list@redhat.com, Corey Bryant , lcapitulino@redhat.com, eblake@redhat.com Subject: [Qemu-devel] [PATCH v6 5/6] block: Convert close calls to qemu_close X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This patch converts all block layer close calls, that correspond to qemu_open calls, to qemu_close. v5: -This patch is new in v5. (kwolf@redhat.com, eblake@redhat.com) v6: -No changes Signed-off-by: Corey Bryant --- block/raw-posix.c | 24 ++++++++++++------------ block/raw-win32.c | 2 +- block/vmdk.c | 4 ++-- block/vpc.c | 2 +- block/vvfat.c | 12 ++++++------ osdep.c | 5 +++++ qemu-common.h | 1 + savevm.c | 4 ++-- 8 files changed, 30 insertions(+), 24 deletions(-) diff --git a/block/raw-posix.c b/block/raw-posix.c index 7408a42..a172de3 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -271,7 +271,7 @@ static int raw_open_common(BlockDriverState *bs, const char *filename, out_free_buf: qemu_vfree(s->aligned_buf); out_close: - close(fd); + qemu_close(fd); return -errno; } @@ -376,7 +376,7 @@ static void raw_close(BlockDriverState *bs) { BDRVRawState *s = bs->opaque; if (s->fd >= 0) { - close(s->fd); + qemu_close(s->fd); s->fd = -1; if (s->aligned_buf != NULL) qemu_vfree(s->aligned_buf); @@ -580,7 +580,7 @@ static int raw_create(const char *filename, QEMUOptionParameter *options) if (ftruncate(fd, total_size * BDRV_SECTOR_SIZE) != 0) { result = -errno; } - if (close(fd) != 0) { + if (qemu_close(fd) != 0) { result = -errno; } } @@ -850,7 +850,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags) if (fd < 0) { bsdPath[strlen(bsdPath)-1] = '1'; } else { - close(fd); + qemu_close(fd); } filename = bsdPath; } @@ -889,7 +889,7 @@ static int fd_open(BlockDriverState *bs) last_media_present = (s->fd >= 0); if (s->fd >= 0 && (get_clock() - s->fd_open_time) >= FD_OPEN_TIMEOUT) { - close(s->fd); + qemu_close(s->fd); s->fd = -1; #ifdef DEBUG_FLOPPY printf("Floppy closed\n"); @@ -988,7 +988,7 @@ static int hdev_create(const char *filename, QEMUOptionParameter *options) else if (lseek(fd, 0, SEEK_END) < total_size * BDRV_SECTOR_SIZE) ret = -ENOSPC; - close(fd); + qemu_close(fd); return ret; } @@ -1038,7 +1038,7 @@ static int floppy_open(BlockDriverState *bs, const char *filename, int flags) return ret; /* close fd so that we can reopen it as needed */ - close(s->fd); + qemu_close(s->fd); s->fd = -1; s->fd_media_changed = 1; @@ -1070,7 +1070,7 @@ static int floppy_probe_device(const char *filename) prio = 100; outc: - close(fd); + qemu_close(fd); out: return prio; } @@ -1105,14 +1105,14 @@ static void floppy_eject(BlockDriverState *bs, bool eject_flag) int fd; if (s->fd >= 0) { - close(s->fd); + qemu_close(s->fd); s->fd = -1; } fd = qemu_open(bs->filename, s->open_flags | O_NONBLOCK); if (fd >= 0) { if (ioctl(fd, FDEJECT, 0) < 0) perror("FDEJECT"); - close(fd); + qemu_close(fd); } } @@ -1173,7 +1173,7 @@ static int cdrom_probe_device(const char *filename) prio = 100; outc: - close(fd); + qemu_close(fd); out: return prio; } @@ -1281,7 +1281,7 @@ static int cdrom_reopen(BlockDriverState *bs) * FreeBSD seems to not notice sometimes... */ if (s->fd >= 0) - close(s->fd); + qemu_close(s->fd); fd = qemu_open(bs->filename, s->open_flags, 0644); if (fd < 0) { s->fd = -1; diff --git a/block/raw-win32.c b/block/raw-win32.c index 8d7838d..c56bf83 100644 --- a/block/raw-win32.c +++ b/block/raw-win32.c @@ -261,7 +261,7 @@ static int raw_create(const char *filename, QEMUOptionParameter *options) return -EIO; set_sparse(fd); ftruncate(fd, total_size * 512); - close(fd); + qemu_close(fd); return 0; } diff --git a/block/vmdk.c b/block/vmdk.c index 557dc1b..daee426 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -1258,7 +1258,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize, ret = 0; exit: - close(fd); + qemu_close(fd); return ret; } @@ -1506,7 +1506,7 @@ static int vmdk_create(const char *filename, QEMUOptionParameter *options) } ret = 0; exit: - close(fd); + qemu_close(fd); return ret; } diff --git a/block/vpc.c b/block/vpc.c index 60ebf5a..c0b82c4 100644 --- a/block/vpc.c +++ b/block/vpc.c @@ -744,7 +744,7 @@ static int vpc_create(const char *filename, QEMUOptionParameter *options) } fail: - close(fd); + qemu_close(fd); return ret; } diff --git a/block/vvfat.c b/block/vvfat.c index 22b586a..59d3c5b 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -1105,7 +1105,7 @@ static inline void vvfat_close_current_file(BDRVVVFATState *s) if(s->current_mapping) { s->current_mapping = NULL; if (s->current_fd) { - close(s->current_fd); + qemu_close(s->current_fd); s->current_fd = 0; } } @@ -2230,7 +2230,7 @@ static int commit_one_file(BDRVVVFATState* s, } if (offset > 0) { if (lseek(fd, offset, SEEK_SET) != offset) { - close(fd); + qemu_close(fd); g_free(cluster); return -3; } @@ -2251,13 +2251,13 @@ static int commit_one_file(BDRVVVFATState* s, (uint8_t*)cluster, (rest_size + 0x1ff) / 0x200); if (ret < 0) { - close(fd); + qemu_close(fd); g_free(cluster); return ret; } if (write(fd, cluster, rest_size) < 0) { - close(fd); + qemu_close(fd); g_free(cluster); return -2; } @@ -2268,11 +2268,11 @@ static int commit_one_file(BDRVVVFATState* s, if (ftruncate(fd, size)) { perror("ftruncate()"); - close(fd); + qemu_close(fd); g_free(cluster); return -4; } - close(fd); + qemu_close(fd); g_free(cluster); return commit_mappings(s, first_cluster, dir_index); diff --git a/osdep.c b/osdep.c index 03817f0..7b09dff 100644 --- a/osdep.c +++ b/osdep.c @@ -104,6 +104,11 @@ int qemu_open(const char *name, int flags, ...) return ret; } +int qemu_close(int fd) +{ + return close(fd); +} + /* * A variant of write(2) which handles partial write. * diff --git a/qemu-common.h b/qemu-common.h index d26ff39..8c4638b 100644 --- a/qemu-common.h +++ b/qemu-common.h @@ -189,6 +189,7 @@ const char *path(const char *pathname); void *qemu_oom_check(void *ptr); int qemu_open(const char *name, int flags, ...); +int qemu_close(int fd); ssize_t qemu_write_full(int fd, const void *buf, size_t count) QEMU_WARN_UNUSED_RESULT; ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags) diff --git a/savevm.c b/savevm.c index 6e82b2d..8ecd5d2 100644 --- a/savevm.c +++ b/savevm.c @@ -513,7 +513,7 @@ static void qemu_fill_buffer(QEMUFile *f) * * Returns f->close() return value, or 0 if close function is not set. */ -static int qemu_close(QEMUFile *f) +static int _qemu_fclose(QEMUFile *f) { int ret = 0; if (f->close) { @@ -535,7 +535,7 @@ int qemu_fclose(QEMUFile *f) { int ret; qemu_fflush(f); - ret = qemu_close(f); + ret = _qemu_fclose(f); /* If any error was spotted before closing, we should report it * instead of the close() return value. */