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block: add bdrv_reopen() support for raw hdev, floppy, and cdrom 

For hdev, floppy, and cdrom, the reopen() handlers are the same as
for the file reopen handler.  For floppy and cdrom types, however,
we keep O_NONBLOCK, as in the _open function.

Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jeff Cody 2012-11-20 10:21:10 -05:00 committed by Stefan Hajnoczi
parent ecf51c9abe
commit 1bc6b705ee
1 changed files with 16 additions and 0 deletions
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16
block/raw-posix.c
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@ -333,6 +333,10 @@ static int raw_reopen_prepare(BDRVReopenState *state,
}
#endif
if (s->type == FTYPE_FD || s->type == FTYPE_CD) {
raw_s->open_flags |= O_NONBLOCK;
}
raw_parse_flags(state->flags, &raw_s->open_flags);
raw_s->fd = -1;
@ -1409,6 +1413,9 @@ static BlockDriver bdrv_host_device = {
.bdrv_probe_device = hdev_probe_device,
.bdrv_file_open = hdev_open,
.bdrv_close = raw_close,
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.create_options = raw_create_options,
.bdrv_has_zero_init = hdev_has_zero_init,
@ -1530,6 +1537,9 @@ static BlockDriver bdrv_host_floppy = {
.bdrv_probe_device = floppy_probe_device,
.bdrv_file_open = floppy_open,
.bdrv_close = raw_close,
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.create_options = raw_create_options,
.bdrv_has_zero_init = hdev_has_zero_init,
@ -1629,6 +1639,9 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_probe_device = cdrom_probe_device,
.bdrv_file_open = cdrom_open,
.bdrv_close = raw_close,
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.create_options = raw_create_options,
.bdrv_has_zero_init = hdev_has_zero_init,
@ -1748,6 +1761,9 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_probe_device = cdrom_probe_device,
.bdrv_file_open = cdrom_open,
.bdrv_close = raw_close,
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create = hdev_create,
.create_options = raw_create_options,
.bdrv_has_zero_init = hdev_has_zero_init,