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authorMarcelo Tosatti <mtosatti@redhat.com>2012-10-11 05:27:15 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2012-10-11 05:27:15 -0300
commit4d9367b76f71c6d938cf8201392abe4bfb1136cb (patch)
tree93a31afc3151c19e4906aed6748e842d8431fb02 /block/raw-win32.c
parent6b414d9fb86527118f3ddb81a1d1a684b3548a9d (diff)
parent8e65440d5f64435c003d32088757f702b86af9b4 (diff)
Merge branch 'upstream-merge'HEADnextmaster
* upstream-merge: (575 commits) ssi: Add slave autoconnect helper MAINTAINERS: Added maintainerships for SSI xilinx_zynq: Added SPI controllers + flashes xilinx_spips: Xilinx Zynq SPI cntrlr device model petalogix-ml605: added SPI controller with n25q128 xilinx_spi: Initial impl. of Xilinx SPI controller m25p80: Initial implementation of SPI flash device hw: Added generic FIFO API. stellaris: Removed SSI mux qdev: allow multiple qdev_init_gpio_in() calls ssi: Added create_slave_no_init() ssi: Implemented CS behaviour ssi: Support for multiple attached devices qemu-barrier: Fix compilation on i386 hosts target-sparc: Optimize conditionals using SUBCC target-sparc: Fall through from not-taken trap target-sparc: Cleanup "global" temporary allocation target-sparc: Use movcond for FMOV*R target-sparc: Use movcond in mulscc target-sparc: Move taddcctv and tsubcctv out of line ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'block/raw-win32.c')
-rw-r--r--block/raw-win32.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/block/raw-win32.c b/block/raw-win32.c
index c56bf8337..78c830648 100644
--- a/block/raw-win32.c
+++ b/block/raw-win32.c
@@ -77,6 +77,23 @@ static int set_sparse(int fd)
NULL, 0, NULL, 0, &returned, NULL);
}
+static void raw_parse_flags(int flags, int *access_flags, DWORD *overlapped)
+{
+ assert(access_flags != NULL);
+ assert(overlapped != NULL);
+
+ if (flags & BDRV_O_RDWR) {
+ *access_flags = GENERIC_READ | GENERIC_WRITE;
+ } else {
+ *access_flags = GENERIC_READ;
+ }
+
+ *overlapped = FILE_ATTRIBUTE_NORMAL;
+ if (flags & BDRV_O_NOCACHE) {
+ *overlapped |= FILE_FLAG_NO_BUFFERING;
+ }
+}
+
static int raw_open(BlockDriverState *bs, const char *filename, int flags)
{
BDRVRawState *s = bs->opaque;
@@ -85,17 +102,8 @@ static int raw_open(BlockDriverState *bs, const char *filename, int flags)
s->type = FTYPE_FILE;
- if (flags & BDRV_O_RDWR) {
- access_flags = GENERIC_READ | GENERIC_WRITE;
- } else {
- access_flags = GENERIC_READ;
- }
+ raw_parse_flags(flags, &access_flags, &overlapped);
- overlapped = FILE_ATTRIBUTE_NORMAL;
- if (flags & BDRV_O_NOCACHE)
- overlapped |= FILE_FLAG_NO_BUFFERING;
- if (!(flags & BDRV_O_CACHE_WB))
- overlapped |= FILE_FLAG_WRITE_THROUGH;
s->hfile = CreateFile(filename, access_flags,
FILE_SHARE_READ, NULL,
OPEN_EXISTING, overlapped, NULL);
@@ -374,18 +382,10 @@ static int hdev_open(BlockDriverState *bs, const char *filename, int flags)
}
s->type = find_device_type(bs, filename);
- if (flags & BDRV_O_RDWR) {
- access_flags = GENERIC_READ | GENERIC_WRITE;
- } else {
- access_flags = GENERIC_READ;
- }
+ raw_parse_flags(flags, &access_flags, &overlapped);
+
create_flags = OPEN_EXISTING;
- overlapped = FILE_ATTRIBUTE_NORMAL;
- if (flags & BDRV_O_NOCACHE)
- overlapped |= FILE_FLAG_NO_BUFFERING;
- if (!(flags & BDRV_O_CACHE_WB))
- overlapped |= FILE_FLAG_WRITE_THROUGH;
s->hfile = CreateFile(filename, access_flags,
FILE_SHARE_READ, NULL,
create_flags, overlapped, NULL);