Merge remote-tracking branch 'torvalds/master' into perf/core

To resolve a trivial merge conflict with c302378bc157f6a7 ("libbpf:
Hashmap interface update to allow both long and void* keys/values"),
where a function present upstream was removed in the perf tools
development tree.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 15 insertions, 12 deletions

diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 1912abf6d020..a759668477bb 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -15,6 +15,8 @@
 #include "transaction.h"
 #include "dev-replace.h"
 #include "space-info.h"
+#include "fs.h"
+#include "accessors.h"
 
 /* Maximum number of zones to report per blkdev_report_zones() call */
 #define BTRFS_REPORT_NR_ZONES   4096
@@ -134,7 +136,8 @@ static int sb_write_pointer(struct block_device *bdev, struct blk_zone *zones,
 			super[i] = page_address(page[i]);
 		}
 
-		if (super[0]->generation > super[1]->generation)
+		if (btrfs_super_generation(super[0]) >
+		    btrfs_super_generation(super[1]))
 			sector = zones[1].start;
 		else
 			sector = zones[0].start;
@@ -391,8 +394,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache)
 		zone_sectors = bdev_zone_sectors(bdev);
 	}
 
-	/* Check if it's power of 2 (see is_power_of_2) */
-	ASSERT(zone_sectors != 0 && (zone_sectors & (zone_sectors - 1)) == 0);
+	ASSERT(is_power_of_two_u64(zone_sectors));
 	zone_info->zone_size = zone_sectors << SECTOR_SHIFT;
 
 	/* We reject devices with a zone size larger than 8GB */
@@ -466,7 +468,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache)
 		goto out;
 	}
 
-	zones = kcalloc(BTRFS_REPORT_NR_ZONES, sizeof(struct blk_zone), GFP_KERNEL);
+	zones = kvcalloc(BTRFS_REPORT_NR_ZONES, sizeof(struct blk_zone), GFP_KERNEL);
 	if (!zones) {
 		ret = -ENOMEM;
 		goto out;
@@ -585,7 +587,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache)
 	}
 
 
-	kfree(zones);
+	kvfree(zones);
 
 	switch (bdev_zoned_model(bdev)) {
 	case BLK_ZONED_HM:
@@ -617,7 +619,7 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device, bool populate_cache)
 	return 0;
 
 out:
-	kfree(zones);
+	kvfree(zones);
 out_free_zone_info:
 	btrfs_destroy_dev_zone_info(device);
 
@@ -1017,8 +1019,8 @@ int btrfs_reset_sb_log_zones(struct block_device *bdev, int mirror)
 				zone_sectors * BTRFS_NR_SB_LOG_ZONES, GFP_NOFS);
 }
 
-/**
- * btrfs_find_allocatable_zones - find allocatable zones within a given region
+/*
+ * Find allocatable zones within a given region.
  *
  * @device:	the device to allocate a region on
  * @hole_start: the position of the hole to allocate the region
@@ -1435,7 +1437,7 @@ int btrfs_load_block_group_zone_info(struct btrfs_block_group *cache, bool new)
 	}
 
 	if (num_sequential > 0)
-		cache->seq_zone = true;
+		set_bit(BLOCK_GROUP_FLAG_SEQUENTIAL_ZONE, &cache->runtime_flags);
 
 	if (num_conventional > 0) {
 		/* Zone capacity is always zone size in emulation */
@@ -1647,7 +1649,7 @@ bool btrfs_use_zone_append(struct btrfs_inode *inode, u64 start)
 	if (!cache)
 		return false;
 
-	ret = cache->seq_zone;
+	ret = !!test_bit(BLOCK_GROUP_FLAG_SEQUENTIAL_ZONE, &cache->runtime_flags);
 	btrfs_put_block_group(cache);
 
 	return ret;
@@ -1861,7 +1863,7 @@ struct btrfs_device *btrfs_zoned_get_device(struct btrfs_fs_info *fs_info,
 	return device;
 }
 
-/**
+/*
  * Activate block group and underlying device zones
  *
  * @block_group: the block group to activate
@@ -2152,7 +2154,8 @@ static void btrfs_zone_finish_endio_workfn(struct work_struct *work)
 void btrfs_schedule_zone_finish_bg(struct btrfs_block_group *bg,
 				   struct extent_buffer *eb)
 {
-	if (!bg->seq_zone || eb->start + eb->len * 2 <= bg->start + bg->zone_capacity)
+	if (!test_bit(BLOCK_GROUP_FLAG_SEQUENTIAL_ZONE, &bg->runtime_flags) ||
+	    eb->start + eb->len * 2 <= bg->start + bg->zone_capacity)
 		return;
 
 	if (WARN_ON(bg->zone_finish_work.func == btrfs_zone_finish_endio_workfn)) {