[f2fs-dev] [PATCH] libzoned: use blk_zone_v2 and blk_zone_report_v2 by default

[Jaegeuk Kim <jaegeuk@kernel.org>]

Old blk_zone and blk_zone_report should be compatible with v2.
And, old blk_zone_report uses reserved[4] which breaks the build.

struct blk_zone_report {
	__u64		sector;
	__u32		nr_zones;
	__u8		reserved[4];
	struct blk_zone zones[0];
};

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 include/f2fs_fs.h | 49 +++++++++++++++++++++++------------------------
 1 file changed, 24 insertions(+), 25 deletions(-)

diff --git a/include/f2fs_fs.h b/include/f2fs_fs.h
index ccf1e2b7a548..a51a35998ffb 100644
--- a/include/f2fs_fs.h
+++ b/include/f2fs_fs.h
@@ -1358,6 +1358,30 @@ static inline int get_inline_xattr_addrs(struct f2fs_inode *inode)
 
 #ifdef HAVE_LINUX_BLKZONED_H
 
+/* Let's just use v2, since v1 should be compatible with v2 */
+#define BLK_ZONE_REP_CAPACITY   (1 << 0)
+struct blk_zone_v2 {
+	__u64   start;          /* Zone start sector */
+	__u64   len;            /* Zone length in number of sectors */
+	__u64   wp;             /* Zone write pointer position */
+	__u8    type;           /* Zone type */
+	__u8    cond;           /* Zone condition */
+	__u8    non_seq;        /* Non-sequential write resources active */
+	__u8    reset;          /* Reset write pointer recommended */
+	__u8    resv[4];
+	__u64   capacity;       /* Zone capacity in number of sectors */
+	__u8    reserved[24];
+};
+#define blk_zone blk_zone_v2
+
+struct blk_zone_report_v2 {
+	__u64   sector;
+	__u32   nr_zones;
+	__u32   flags;
+	struct blk_zone zones[0];
+};
+#define blk_zone_report blk_zone_report_v2
+
 #define blk_zone_type(z)        (z)->type
 #define blk_zone_conv(z)	((z)->type == BLK_ZONE_TYPE_CONVENTIONAL)
 #define blk_zone_seq_req(z)	((z)->type == BLK_ZONE_TYPE_SEQWRITE_REQ)
@@ -1407,31 +1431,6 @@ blk_zone_cond_str(struct blk_zone *blkz)
 /*
  * Handle kernel zone capacity support
  */
-#ifdef HAVE_BLK_ZONE_REP_V2
-#define BLK_ZONE_REP_CAPACITY   (1 << 0)
-struct blk_zone_v2 {
-	__u64   start;          /* Zone start sector */
-	__u64   len;            /* Zone length in number of sectors */
-	__u64   wp;             /* Zone write pointer position */
-	__u8    type;           /* Zone type */
-	__u8    cond;           /* Zone condition */
-	__u8    non_seq;        /* Non-sequential write resources active */
-	__u8    reset;          /* Reset write pointer recommended */
-	__u8    resv[4];
-	__u64   capacity;       /* Zone capacity in number of sectors */
-	__u8    reserved[24];
-};
-#define blk_zone blk_zone_v2
-
-struct blk_zone_report_v2 {
-	__u64   sector;
-	__u32   nr_zones;
-	__u32   flags;
-struct blk_zone zones[0];
-};
-#define blk_zone_report blk_zone_report_v2
-#endif /* HAVE_BLK_ZONE_REP_V2 */
-
 #define blk_zone_empty(z)	(blk_zone_cond(z) == BLK_ZONE_COND_EMPTY)
 #define blk_zone_sector(z)	(z)->start
 #define blk_zone_length(z)	(z)->len
-- 
2.29.2.729.g45daf8777d-goog



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