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zram: return zram device_id from zram_add()
authorSergey Senozhatsky <sergey.senozhatsky@gmail.com>
Thu, 25 Jun 2015 22:00:19 +0000 (15:00 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 26 Jun 2015 00:00:36 +0000 (17:00 -0700)
This patch prepares zram to enable on-demand device creation.
zram_add() performs automatic device_id assignment and returns
new device id (>= 0) or error code (< 0).

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/block/zram/zram_drv.c patch | blob | history

diff --cc drivers/block/zram/zram_drv.c
Simple merge
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