zram: add package to use compressed ram disk for swap
[openwrt/staging/dedeckeh.git] / package / compcache / patches / 003-kernel-3.x-compat.patch
1 Index: compcache-0.6.2/ramzswap_drv.c
2 ===================================================================
3 --- compcache-0.6.2.orig/ramzswap_drv.c 2012-07-25 01:02:39.000000000 +0200
4 +++ compcache-0.6.2/ramzswap_drv.c 2012-07-25 01:04:29.270750850 +0200
5 @@ -525,7 +525,7 @@
6
7 if (S_ISBLK(inode->i_mode)) {
8 bdev = I_BDEV(inode);
9 - ret = bd_claim(bdev, setup_backing_swap);
10 + ret = blkdev_get(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL, setup_backing_swap);
11 if (ret < 0) {
12 bdev = NULL;
13 goto bad_param;
14 @@ -557,7 +557,7 @@
15
16 bad_param:
17 if (bdev)
18 - bd_release(bdev);
19 + blkdev_put(bdev, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
20 filp_close(swap_file, NULL);
21
22 out:
23 @@ -1097,7 +1097,7 @@
24 /* Close backing swap device, if present */
25 if (rzs->backing_swap) {
26 if (is_backing_blkdev)
27 - bd_release(rzs->backing_swap);
28 + blkdev_put(rzs->backing_swap, FMODE_READ | FMODE_WRITE | FMODE_EXCL);
29 filp_close(rzs->swap_file, NULL);
30 rzs->backing_swap = NULL;
31 memset(rzs->backing_swap_name, 0, MAX_SWAP_NAME_LEN);