diff options
| author | Dimitris Aragiorgis <dimara@arrikto.com> | 2015-06-23 13:44:58 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-06-23 15:08:52 +0100 |
| commit | bcb225550dcc0d6fcef8e97012bae572ba78f73a (patch) | |
| tree | e4e2d14f8ff549ed41ac5c4bbc8ef5aa99c7c3c0 /block/raw-posix.c | |
| parent | 1b6bc94d5d43ff3e39abadae19f2dbcb0954eb93 (diff) | |
raw-posix: DPRINTF instead of DEBUG_BLOCK_PRINT
Building the QEMU tools fails if we #define DEBUG_BLOCK inside
block/raw-posix.c. Here instead of adding qemu-log.o in block-obj-y
so that DEBUG_BLOCK_PRINT can be used, we substitute the latter with
a simple DPRINTF() (that does not cause bit-rot).
Signed-off-by: Dimitris Aragiorgis <dimara@arrikto.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 1435056300-14924-4-git-send-email-dimara@arrikto.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'block/raw-posix.c')
| -rw-r--r-- | block/raw-posix.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c index b2097fc796..23c457761c 100644 --- a/block/raw-posix.c +++ b/block/raw-posix.c @@ -99,12 +99,18 @@ //#define DEBUG_FLOPPY //#define DEBUG_BLOCK -#if defined(DEBUG_BLOCK) -#define DEBUG_BLOCK_PRINT(formatCstr, ...) do { if (qemu_log_enabled()) \ - { qemu_log(formatCstr, ## __VA_ARGS__); qemu_log_flush(); } } while (0) + +#ifdef DEBUG_BLOCK +# define DEBUG_BLOCK_PRINT 1 #else -#define DEBUG_BLOCK_PRINT(formatCstr, ...) +# define DEBUG_BLOCK_PRINT 0 #endif +#define DPRINTF(fmt, ...) \ +do { \ + if (DEBUG_BLOCK_PRINT) { \ + printf(fmt, ## __VA_ARGS__); \ + } \ +} while (0) /* OS X does not have O_DSYNC */ #ifndef O_DSYNC @@ -1020,6 +1026,7 @@ static ssize_t handle_aiocb_rw(RawPosixAIOData *aiocb) static int xfs_write_zeroes(BDRVRawState *s, int64_t offset, uint64_t bytes) { struct xfs_flock64 fl; + int err; memset(&fl, 0, sizeof(fl)); fl.l_whence = SEEK_SET; @@ -1027,8 +1034,9 @@ static int xfs_write_zeroes(BDRVRawState *s, int64_t offset, uint64_t bytes) fl.l_len = bytes; if (xfsctl(NULL, s->fd, XFS_IOC_ZERO_RANGE, &fl) < 0) { - DEBUG_BLOCK_PRINT("cannot write zero range (%s)\n", strerror(errno)); - return -errno; + err = errno; + DPRINTF("cannot write zero range (%s)\n", strerror(errno)); + return -err; } return 0; @@ -1037,6 +1045,7 @@ static int xfs_write_zeroes(BDRVRawState *s, int64_t offset, uint64_t bytes) static int xfs_discard(BDRVRawState *s, int64_t offset, uint64_t bytes) { struct xfs_flock64 fl; + int err; memset(&fl, 0, sizeof(fl)); fl.l_whence = SEEK_SET; @@ -1044,8 +1053,9 @@ static int xfs_discard(BDRVRawState *s, int64_t offset, uint64_t bytes) fl.l_len = bytes; if (xfsctl(NULL, s->fd, XFS_IOC_UNRESVSP64, &fl) < 0) { - DEBUG_BLOCK_PRINT("cannot punch hole (%s)\n", strerror(errno)); - return -errno; + err = errno; + DPRINTF("cannot punch hole (%s)\n", strerror(errno)); + return -err; } return 0; |