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rbd: use GFP_NOIO in rbd_obj_request_create()

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rbd_obj_request_create() is called on the main I/O path, so we need to
use GFP_NOIO to make sure allocation doesn't blow back on us.  Not all
callers need this, but I'm still hardcoding the flag inside rather than
making it a parameter because a) this is going to stable, and b) those
callers shouldn't really use rbd_obj_request_create() and will be fixed
in the future.

More memory allocation fixes will follow.

Cc: [email protected] # 3.10+
Signed-off-by: Ilya Dryomov <[email protected]>
Reviewed-by: Alex Elder <[email protected]>
This commit is contained in:
Ilya Dryomov 2015-06-24 17:24:33 +03:00
commit 5a60e87603
1 changed files with 2 additions and 2 deletions
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4
drivers/block/rbd.c
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@ -2022,11 +2022,11 @@ static struct rbd_obj_request *rbd_obj_request_create(const char *object_name,
rbd_assert(obj_request_type_valid(type));
size = strlen(object_name) + 1;
name = kmalloc(size, GFP_KERNEL);
name = kmalloc(size, GFP_NOIO);
if (!name)
return NULL;
obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_KERNEL);
obj_request = kmem_cache_zalloc(rbd_obj_request_cache, GFP_NOIO);
if (!obj_request) {
kfree(name);
return NULL;