[PATCH] btrfs: rename btrfs_device::scrub_device to scrub_ctx

[Anand Jain <anand.jain@xxxxxxxxxx>]

btrfs_device::scrub_device is not a device which is being scrubbed,
but it holds the scrub context, so rename to reflect the same. No
functional changes here.

Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
 fs/btrfs/scrub.c   | 14 +++++++-------
 fs/btrfs/volumes.h |  2 +-
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 8c1508a41f90..692adb02a929 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -4125,7 +4125,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
 	}
 
 	btrfs_dev_replace_lock(&fs_info->dev_replace, 0);
-	if (dev->scrub_device ||
+	if (dev->scrub_ctx ||
 	    (!is_dev_replace &&
 	     btrfs_dev_replace_is_ongoing(&fs_info->dev_replace))) {
 		btrfs_dev_replace_unlock(&fs_info->dev_replace, 0);
@@ -4150,7 +4150,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
 		return PTR_ERR(sctx);
 	}
 	sctx->readonly = readonly;
-	dev->scrub_device = sctx;
+	dev->scrub_ctx = sctx;
 	mutex_unlock(&fs_info->fs_devices->device_list_mutex);
 
 	/*
@@ -4185,7 +4185,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start,
 		memcpy(progress, &sctx->stat, sizeof(*progress));
 
 	mutex_lock(&fs_info->scrub_lock);
-	dev->scrub_device = NULL;
+	dev->scrub_ctx = NULL;
 	scrub_workers_put(fs_info);
 	mutex_unlock(&fs_info->scrub_lock);
 
@@ -4242,16 +4242,16 @@ int btrfs_scrub_cancel_dev(struct btrfs_fs_info *fs_info,
 	struct scrub_ctx *sctx;
 
 	mutex_lock(&fs_info->scrub_lock);
-	sctx = dev->scrub_device;
+	sctx = dev->scrub_ctx;
 	if (!sctx) {
 		mutex_unlock(&fs_info->scrub_lock);
 		return -ENOTCONN;
 	}
 	atomic_inc(&sctx->cancel_req);
-	while (dev->scrub_device) {
+	while (dev->scrub_ctx) {
 		mutex_unlock(&fs_info->scrub_lock);
 		wait_event(fs_info->scrub_pause_wait,
-			   dev->scrub_device == NULL);
+			   dev->scrub_ctx == NULL);
 		mutex_lock(&fs_info->scrub_lock);
 	}
 	mutex_unlock(&fs_info->scrub_lock);
@@ -4268,7 +4268,7 @@ int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,
 	mutex_lock(&fs_info->fs_devices->device_list_mutex);
 	dev = btrfs_find_device(fs_info, devid, NULL, NULL);
 	if (dev)
-		sctx = dev->scrub_device;
+		sctx = dev->scrub_ctx;
 	if (sctx)
 		memcpy(progress, &sctx->stat, sizeof(*progress));
 	mutex_unlock(&fs_info->fs_devices->device_list_mutex);
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index ff940856fb9b..8b504785bf8b 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -131,7 +131,7 @@ struct btrfs_device {
 	struct completion flush_wait;
 
 	/* per-device scrub information */
-	struct scrub_ctx *scrub_device;
+	struct scrub_ctx *scrub_ctx;
 
 	struct btrfs_work work;
 	struct rcu_head rcu;
-- 
2.15.0

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