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-rw-r--r--block/raw-posix.c31
1 files changed, 15 insertions, 16 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c
index ccb014a4d1..fa1a39462a 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -123,7 +123,7 @@ static int cdrom_reopen(BlockDriverState *bs);
#endif
static int raw_open_common(BlockDriverState *bs, const char *filename,
- int flags)
+ int bdrv_flags, int open_flags)
{
BDRVRawState *s = bs->opaque;
int fd, ret;
@@ -132,9 +132,9 @@ static int raw_open_common(BlockDriverState *bs, const char *filename,
s->lseek_err_cnt = 0;
- s->open_flags |= O_BINARY;
+ s->open_flags = open_flags | O_BINARY;
s->open_flags &= ~O_ACCMODE;
- if ((flags & BDRV_O_ACCESS) == BDRV_O_RDWR) {
+ if ((bdrv_flags & BDRV_O_ACCESS) == BDRV_O_RDWR) {
s->open_flags |= O_RDWR;
} else {
s->open_flags |= O_RDONLY;
@@ -143,9 +143,9 @@ static int raw_open_common(BlockDriverState *bs, const char *filename,
/* Use O_DSYNC for write-through caching, no flags for write-back caching,
* and O_DIRECT for no caching. */
- if ((flags & BDRV_O_NOCACHE))
+ if ((bdrv_flags & BDRV_O_NOCACHE))
s->open_flags |= O_DIRECT;
- else if (!(flags & BDRV_O_CACHE_WB))
+ else if (!(bdrv_flags & BDRV_O_CACHE_WB))
s->open_flags |= O_DSYNC;
s->fd = -1;
@@ -158,7 +158,7 @@ static int raw_open_common(BlockDriverState *bs, const char *filename,
}
s->fd = fd;
s->aligned_buf = NULL;
- if ((flags & BDRV_O_NOCACHE)) {
+ if ((bdrv_flags & BDRV_O_NOCACHE)) {
s->aligned_buf = qemu_blockalign(bs, ALIGNED_BUFFER_SIZE);
if (s->aligned_buf == NULL) {
ret = -errno;
@@ -172,12 +172,13 @@ static int raw_open_common(BlockDriverState *bs, const char *filename,
static int raw_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVRawState *s = bs->opaque;
+ int open_flags = 0;
s->type = FTYPE_FILE;
if (flags & BDRV_O_CREAT)
- s->open_flags |= O_CREAT | O_TRUNC;
+ open_flags = O_CREAT | O_TRUNC;
- return raw_open_common(bs, filename, flags);
+ return raw_open_common(bs, filename, flags, open_flags);
}
/* XXX: use host sector size if necessary with:
@@ -1008,7 +1009,7 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
}
#endif
- return raw_open_common(bs, filename, flags);
+ return raw_open_common(bs, filename, flags, 0);
}
#if defined(__linux__)
@@ -1186,10 +1187,9 @@ static int floppy_open(BlockDriverState *bs, const char *filename, int flags)
posix_aio_init();
s->type = FTYPE_FD;
- /* open will not fail even if no floppy is inserted */
- s->open_flags |= O_NONBLOCK;
- ret = raw_open_common(bs, filename, flags);
+ /* open will not fail even if no floppy is inserted, so add O_NONBLOCK */
+ ret = raw_open_common(bs, filename, flags, O_NONBLOCK);
if (ret)
return ret;
@@ -1279,11 +1279,10 @@ static int cdrom_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVRawState *s = bs->opaque;
- /* open will not fail even if no CD is inserted */
- s->open_flags |= O_NONBLOCK;
s->type = FTYPE_CD;
- return raw_open_common(bs, filename, flags);
+ /* open will not fail even if no CD is inserted, so add O_NONBLOCK */
+ return raw_open_common(bs, filename, flags, O_NONBLOCK);
}
static int cdrom_probe_device(const char *filename)
@@ -1373,7 +1372,7 @@ static int cdrom_open(BlockDriverState *bs, const char *filename, int flags)
s->type = FTYPE_CD;
- ret = raw_open_common(bs, filename, flags);
+ ret = raw_open_common(bs, filename, flags, 0);
if (ret)
return ret;