lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[SCSI] scsi_dh: Change the scsidh_activate interface to be asynchronous

Browse Source 
Make scsi_dh_activate() function asynchronous, by taking in two additional
parameters, one is the callback function and the other is the data to call
the callback function with.

Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Chandra Seetharaman
2009-10-21 09:22:46 -07:00
committed by James Bottomley
parent 42e62a7437
commit 3ae31f6a7b
8 changed files with 42 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/md/dm-mpath.c
View File

@@ -1116,8 +1116,9 @@ static int pg_init_limit_reached(struct multipath *m, struct pgpath *pgpath)
return limit_reached;
}
static void pg_init_done(struct dm_path *path, int errors)
static void pg_init_done(void *data, int errors)
{
struct dm_path *path = data;
struct pgpath *pgpath = path_to_pgpath(path);
struct priority_group *pg = pgpath->pg;
struct multipath *m = pg->m;
@@ -1183,12 +1184,11 @@ static void pg_init_done(struct dm_path *path, int errors)
static void activate_path(struct work_struct *work)
{
int ret;
struct pgpath *pgpath =
container_of(work, struct pgpath, activate_path);
ret = scsi_dh_activate(bdev_get_queue(pgpath->path.dev->bdev));
pg_init_done(&pgpath->path, ret);
scsi_dh_activate(bdev_get_queue(pgpath->path.dev->bdev),
pg_init_done, &pgpath->path);
}
/*