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authorDamien Le Moal <damien.lemoal@wdc.com>2016-10-28 17:45:01 +0900
committerJaegeuk Kim <jaegeuk@kernel.org>2016-11-23 12:11:17 -0800
commitd1b959c8770260b611b9a1f0c5e8b12b7cb5b9d2 (patch)
tree4c2d67d68d3ca591b7a6d90d7057a3910e9ed392 /fs/f2fs
parent0bfd7a091c19132489a0f977b8dbf9f6b5ae0a1c (diff)
downloadlinux-d1b959c8770260b611b9a1f0c5e8b12b7cb5b9d2.tar.gz
f2fs: Check zoned block feature for host-managed zoned block devices
The F2FS_FEATURE_BLKZONED feature indicates that the drive was formatted
 with zone alignment optimization. This is optional for host-aware
devices, but mandatory for host-managed zoned block devices.
So check that the feature is set in this latter case.

Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/super.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index cf54fd89badd..ea3752f1668d 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1638,6 +1638,26 @@ try_onemore:
 	sb->s_fs_info = sbi;
 	sbi->raw_super = raw_super;
 
+	/*
+	 * The BLKZONED feature indicates that the drive was formatted with
+	 * zone alignment optimization. This is optional for host-aware
+	 * devices, but mandatory for host-managed zoned block devices.
+	 */
+#ifndef CONFIG_BLK_DEV_ZONED
+	if (f2fs_sb_mounted_blkzoned(sb)) {
+		f2fs_msg(sb, KERN_ERR,
+			 "Zoned block device support is not enabled\n");
+		goto free_sb_buf;
+	}
+#else
+	if (bdev_zoned_model(sb->s_bdev) == BLK_ZONED_HM &&
+	    !f2fs_sb_mounted_blkzoned(sb)) {
+		f2fs_msg(sb, KERN_ERR,
+			 "Zoned block device feature not enabled\n");
+		goto free_sb_buf;
+	}
+#endif
+
 	default_options(sbi);
 	/* parse mount options */
 	options = kstrdup((const char *)data, GFP_KERNEL);