The patch titled
Subject: zram: report every added and removed device
has been removed from the -mm tree. Its filename was
zram-report-every-added-and-removed-device.patch
This patch was dropped because it was withdrawn
------------------------------------------------------
From: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Subject: zram: report every added and removed device
With dynamic device creation/removal (which will be introduced later in
the series) printing num_devices in zram_init() will not make a lot of
sense, as well as printing the number of destroyed devices in
destroy_devices(). Print per-device action (added/removed) in zram_add()
and zram_remove() instead.
Example:
[ 3645.259652] zram: Added device: zram5
[ 3646.152074] zram: Added device: zram6
[ 3650.585012] zram: Removed device: zram5
[ 3655.845584] zram: Added device: zram8
[ 3660.975223] zram: Removed device: zram6
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Acked-by: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Nitin Gupta <ngupta@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/zram/zram_drv.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff -puN drivers/block/zram/zram_drv.c~zram-report-every-added-and-removed-device drivers/block/zram/zram_drv.c
--- a/drivers/block/zram/zram_drv.c~zram-report-every-added-and-removed-device
+++ a/drivers/block/zram/zram_drv.c
@@ -1236,6 +1236,8 @@ static int zram_add(int device_id)
strlcpy(zram->compressor, default_compressor, sizeof(zram->compressor));
zram->meta = NULL;
zram->max_comp_streams = 1;
+
+ pr_info("Added device: %s\n", zram->disk->disk_name);
return 0;
out_free_disk:
@@ -1252,6 +1254,7 @@ out_free_dev:
static void zram_remove(struct zram *zram)
{
+ pr_info("Removed device: %s\n", zram->disk->disk_name);
/*
* Remove sysfs first, so no one will perform a disksize
* store while we destroy the devices
@@ -1278,7 +1281,6 @@ static void destroy_devices(void)
idr_for_each(&zram_index_idr, &zram_remove_cb, NULL);
idr_destroy(&zram_index_idr);
unregister_blkdev(zram_major, "zram");
- pr_info("Destroyed device(s)\n");
}
static int __init zram_init(void)
@@ -1297,7 +1299,6 @@ static int __init zram_init(void)
goto out_error;
}
- pr_info("Created %u device(s)\n", num_devices);
return 0;
out_error:
_
Patches currently in -mm which might be from sergey.senozhatsky@xxxxxxxxx are
zram-trivial-correct-flag-operations-comment.patch
zram-return-zram-device_id-from-zram_add.patch
zram-close-race-by-open-overriding.patch
zram-add-dynamic-device-add-remove-functionality.patch
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