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[Qemu-devel] [PATCH 6/9] block: Inline bdrv_file_open()
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PATCH 6/9] block: Inline bdrv_file_open() |
Date: |
Wed, 11 Jun 2014 16:05:00 +0200 |
It doesn't do much any more, we can move the code to bdrv_open() now.
Signed-off-by: Kevin Wolf <address@hidden>
---
block.c | 51 +++++++++++----------------------------------------
1 file changed, 11 insertions(+), 40 deletions(-)
diff --git a/block.c b/block.c
index 2aa0a56..034656f 100644
--- a/block.c
+++ b/block.c
@@ -1126,44 +1126,6 @@ static int bdrv_fill_options(QDict **options, const char
**pfilename, int flags,
return 0;
}
-/*
- * Opens a file using a protocol (file, host_device, nbd, ...)
- *
- * options is an indirect pointer to a QDict of options to pass to the block
- * drivers, or pointer to NULL for an empty set of options. If this function
- * takes ownership of the QDict reference, it will set *options to NULL;
- * otherwise, it will contain unused/unrecognized options after this function
- * returns. Then, the caller is responsible for freeing it. If it intends to
- * reuse the QDict, QINCREF() should be called beforehand.
- */
-static int bdrv_file_open(BlockDriverState *bs, BlockDriver *drv,
- QDict **options, int flags, Error **errp)
-{
- const char *filename;
- Error *local_err = NULL;
- int ret;
-
- filename = qdict_get_try_str(*options, "filename");
-
- /* Open the file */
- if (!drv->bdrv_file_open) {
- ret = bdrv_open(&bs, filename, NULL, *options, flags, drv, &local_err);
- *options = NULL;
- } else {
- ret = bdrv_open_common(bs, NULL, *options, flags, drv, &local_err);
- }
- if (ret < 0) {
- error_propagate(errp, local_err);
- goto fail;
- }
-
- bs->growable = 1;
- return 0;
-
-fail:
- return ret;
-}
-
void bdrv_set_backing_hd(BlockDriverState *bs, BlockDriverState *backing_hd)
{
@@ -1494,9 +1456,18 @@ int bdrv_open(BlockDriverState **pbs, const char
*filename,
/* Open the image */
if (flags & BDRV_O_PROTOCOL) {
- ret = bdrv_file_open(bs, drv, &options, flags & ~BDRV_O_PROTOCOL,
- &local_err);
+ if (!drv->bdrv_file_open) {
+ const char *filename;
+ filename = qdict_get_try_str(options, "filename");
+ ret = bdrv_open(&bs, filename, NULL, options,
+ flags & ~BDRV_O_PROTOCOL, drv, &local_err);
+ options = NULL;
+ } else {
+ ret = bdrv_open_common(bs, NULL, options,
+ flags & ~BDRV_O_PROTOCOL, drv, &local_err);
+ }
if (!ret) {
+ bs->growable = 1;
goto done;
} else if (bs->drv) {
goto close_and_fail;
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 2/9] block: Move bdrv_fill_options() call to bdrv_open(), (continued)
- [Qemu-devel] [PATCH 3/9] block: Move json: parsing to bdrv_fill_options(), Kevin Wolf, 2014/06/11
- [Qemu-devel] [PATCH 4/9] block: Always pass driver name through options QDict, Kevin Wolf, 2014/06/11
- [Qemu-devel] [PATCH 5/9] block: Use common driver selection code for bdrv_open_file(), Kevin Wolf, 2014/06/11
- [Qemu-devel] [PATCH 6/9] block: Inline bdrv_file_open(),
Kevin Wolf <=
- [Qemu-devel] [PATCH 7/9] block: Remove second bdrv_open() recursion, Kevin Wolf, 2014/06/11
- [Qemu-devel] [PATCH 8/9] block: Catch backing files assigned to non-COW drivers, Kevin Wolf, 2014/06/11
- [Qemu-devel] [PATCH 9/9] block: Remove a special case for protocols, Kevin Wolf, 2014/06/11