btrfs: rename io_failure_record::bio_flags to compress_type

The bio_flags is now used to store unchanged compress type, so unify
that.
Reviewed-by: NJohannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: NNikolay Borisov <nborisov@suse.com>
Signed-off-by: NDavid Sterba <dsterba@suse.com>

fs/btrfs/extent_io.c

@@ -2538,7 +2538,7 @@ static struct io_failure_record *btrfs_get_io_failure_record(struct inode *inode
 	failrec->start = start;
 	failrec->len = sectorsize;
 	failrec->this_mirror = 0;
-	failrec->bio_flags = 0;
+	failrec->compress_type = BTRFS_COMPRESS_NONE;
 
 	read_lock(&em_tree->lock);
 	em = lookup_extent_mapping(em_tree, start, failrec->len);
@@ -2562,7 +2562,7 @@ static struct io_failure_record *btrfs_get_io_failure_record(struct inode *inode
 	logical = em->block_start + logical;
 	if (test_bit(EXTENT_FLAG_COMPRESSED, &em->flags)) {
 		logical = em->block_start;
-		failrec->bio_flags = em->compress_type;
+		failrec->compress_type = em->compress_type;
 	}
 
 	btrfs_debug(fs_info,
@@ -2694,7 +2694,7 @@ int btrfs_repair_one_sector(struct inode *inode,
 	 * will be handled by the endio on the repair_bio, so we can't return an
 	 * error here.
 	 */
-	submit_bio_hook(inode, repair_bio, failrec->this_mirror, failrec->bio_flags);
+	submit_bio_hook(inode, repair_bio, failrec->this_mirror, failrec->compress_type);
 	return BLK_STS_OK;
 }
 

fs/btrfs/extent_io.h

@@ -7,6 +7,7 @@
 #include <linux/refcount.h>
 #include <linux/fiemap.h>
 #include <linux/btrfs_tree.h>
+#include "compression.h"
 #include "ulist.h"
 
 enum {
@@ -266,7 +267,7 @@ struct io_failure_record {
 	u64 start;
 	u64 len;
 	u64 logical;
-	unsigned long bio_flags;
+	enum btrfs_compression_type compress_type;
 	int this_mirror;
 	int failed_mirror;
 };