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scst_vdisk: Introduce the execute_async flag

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This patch does not change any functionality.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7968 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-02-19 01:41:46 +00:00
parent e6fe4d8dd4
commit 7812dd2738
1 changed files with 6 additions and 3 deletions
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9
scst/src/dev_handlers/scst_vdisk.c
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@@ -284,7 +284,8 @@ struct vdisk_cmd_params {
};
struct scst_cmd *cmd;
loff_t loff;
int fua;
unsigned int fua:1;
unsigned int execute_async:1;
};
static bool vdev_saved_mode_pages_enabled = true;
@@ -3010,7 +3011,7 @@ static bool vdisk_parse_offset(struct vdisk_cmd_params *p, struct scst_cmd *cmd)
struct scst_device *dev = cmd->dev;
struct scst_vdisk_dev *virt_dev = dev->dh_priv;
bool res;
int fua = 0;
bool fua = false;
TRACE_ENTRY();
@@ -3371,6 +3372,8 @@ static enum compl_status_e fileio_exec_async(struct vdisk_cmd_params *p)
return CMD_SUCCEEDED;
}
p->execute_async = true;
kvec = p->async.kvec;
length = scst_get_buf_first(cmd, &address);
while (length) {
@@ -3429,7 +3432,7 @@ static enum compl_status_e fileio_exec_async(struct vdisk_cmd_params *p)
static void vdisk_on_free_cmd_params(const struct vdisk_cmd_params *p)
{
if (!do_fileio_async(p)) {
if (!p->execute_async) {
if (p->sync.iv != p->sync.small_iv)
kfree(p->sync.iv);
}