Commit 361d889f authored by Javier González's avatar Javier González Committed by Jens Axboe
Browse files

lightnvm: pblk: add comments wrt locking in recovery path 



pblk's recovery path is single threaded and therefore a number of
assumptions regarding concurrency can be made. To avoid confusion, make
this explicit with a couple of comments in the code.

Signed-off-by: default avatarJavier González <javier@cnexlabs.com>
Signed-off-by: default avatarMatias Bjørling <mb@lightnvm.io>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent fde201a4

drivers/lightnvm/pblk-core.c

+1 −0
Original line number Diff line number Diff line
@@ -1276,6 +1276,7 @@ static int pblk_line_prepare(struct pblk *pblk, struct pblk_line *line) 
	return 0;

}



/* Line allocations in the recovery path are always single threaded */

int pblk_line_recov_alloc(struct pblk *pblk, struct pblk_line *line)

{

	struct pblk_line_mgmt *l_mg = &pblk->l_mg;

drivers/lightnvm/pblk-recovery.c

+3 −0
Original line number Diff line number Diff line
@@ -13,6 +13,9 @@ 
 * General Public License for more details.

 *

 * pblk-recovery.c - pblk's recovery path

 *

 * The L2P recovery path is single threaded as the L2P table is updated in order

 * following the line sequence ID.

 */



#include "pblk.h"

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