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-rw-r--r--block/raw-posix.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/block/raw-posix.c b/block/raw-posix.c
index 4798d626c3..6e8dfbdb38 100644
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -103,17 +103,14 @@ typedef struct BDRVRawState {
int fd;
int type;
unsigned int lseek_err_cnt;
+ int open_flags;
#if defined(__linux__)
/* linux floppy specific */
- int fd_open_flags;
int64_t fd_open_time;
int64_t fd_error_time;
int fd_got_error;
int fd_media_changed;
#endif
-#if defined(__FreeBSD__)
- int cd_open_flags;
-#endif
uint8_t* aligned_buf;
} BDRVRawState;
@@ -130,32 +127,32 @@ static int raw_is_inserted(BlockDriverState *bs);
static int raw_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVRawState *s = bs->opaque;
- int fd, open_flags, ret;
+ int fd, ret;
posix_aio_init();
s->lseek_err_cnt = 0;
- open_flags = O_BINARY;
+ s->open_flags |= O_BINARY;
if ((flags & BDRV_O_ACCESS) == O_RDWR) {
- open_flags |= O_RDWR;
+ s->open_flags |= O_RDWR;
} else {
- open_flags |= O_RDONLY;
+ s->open_flags |= O_RDONLY;
bs->read_only = 1;
}
if (flags & BDRV_O_CREAT)
- open_flags |= O_CREAT | O_TRUNC;
+ s->open_flags |= O_CREAT | O_TRUNC;
/* Use O_DSYNC for write-through caching, no flags for write-back caching,
* and O_DIRECT for no caching. */
if ((flags & BDRV_O_NOCACHE))
- open_flags |= O_DIRECT;
+ s->open_flags |= O_DIRECT;
else if (!(flags & BDRV_O_CACHE_WB))
- open_flags |= O_DSYNC;
+ s->open_flags |= O_DSYNC;
s->type = FTYPE_FILE;
- fd = open(filename, open_flags, 0644);
+ fd = open(filename, s->open_flags, 0644);
if (fd < 0) {
ret = -errno;
if (ret == -EROFS)
@@ -952,7 +949,7 @@ kern_return_t GetBSDPath( io_iterator_t mediaIterator, char *bsdPath, CFIndex ma
static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVRawState *s = bs->opaque;
- int fd, open_flags, ret;
+ int fd, ret;
posix_aio_init();
@@ -982,31 +979,30 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
IOObjectRelease( mediaIterator );
}
#endif
- open_flags = O_BINARY;
+ s->open_flags |= O_BINARY;
if ((flags & BDRV_O_ACCESS) == O_RDWR) {
- open_flags |= O_RDWR;
+ s->open_flags |= O_RDWR;
} else {
- open_flags |= O_RDONLY;
+ s->open_flags |= O_RDONLY;
bs->read_only = 1;
}
/* Use O_DSYNC for write-through caching, no flags for write-back caching,
* and O_DIRECT for no caching. */
if ((flags & BDRV_O_NOCACHE))
- open_flags |= O_DIRECT;
+ s->open_flags |= O_DIRECT;
else if (!(flags & BDRV_O_CACHE_WB))
- open_flags |= O_DSYNC;
+ s->open_flags |= O_DSYNC;
s->type = FTYPE_FILE;
#if defined(__linux__)
if (strstart(filename, "/dev/cd", NULL)) {
/* open will not fail even if no CD is inserted */
- open_flags |= O_NONBLOCK;
+ s->open_flags |= O_NONBLOCK;
s->type = FTYPE_CD;
} else if (strstart(filename, "/dev/fd", NULL)) {
s->type = FTYPE_FD;
- s->fd_open_flags = open_flags;
/* open will not fail even if no floppy is inserted */
- open_flags |= O_NONBLOCK;
+ s->open_flags |= O_NONBLOCK;
#ifdef CONFIG_AIO
} else if (strstart(filename, "/dev/sg", NULL)) {
bs->sg = 1;
@@ -1017,11 +1013,10 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
if (strstart(filename, "/dev/cd", NULL) ||
strstart(filename, "/dev/acd", NULL)) {
s->type = FTYPE_CD;
- s->cd_open_flags = open_flags;
}
#endif
s->fd = -1;
- fd = open(filename, open_flags, 0644);
+ fd = open(filename, s->open_flags, 0644);
if (fd < 0) {
ret = -errno;
if (ret == -EROFS)
@@ -1073,7 +1068,7 @@ static int fd_open(BlockDriverState *bs)
#endif
return -EIO;
}
- s->fd = open(bs->filename, s->fd_open_flags);
+ s->fd = open(bs->filename, s->open_flags & ~O_NONBLOCK);
if (s->fd < 0) {
s->fd_error_time = qemu_get_clock(rt_clock);
s->fd_got_error = 1;
@@ -1162,7 +1157,7 @@ static int raw_eject(BlockDriverState *bs, int eject_flag)
close(s->fd);
s->fd = -1;
}
- fd = open(bs->filename, s->fd_open_flags | O_NONBLOCK);
+ fd = open(bs->filename, s->open_flags | O_NONBLOCK);
if (fd >= 0) {
if (ioctl(fd, FDEJECT, 0) < 0)
perror("FDEJECT");
@@ -1258,7 +1253,7 @@ static int cd_open(BlockDriverState *bs)
* FreeBSD seems to not notice sometimes... */
if (s->fd >= 0)
close (s->fd);
- fd = open(bs->filename, s->cd_open_flags, 0644);
+ fd = open(bs->filename, s->open_flags, 0644);
if (fd < 0) {
s->fd = -1;
return -EIO;