1 files changed, 34 insertions, 7 deletions

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 0c3ebe4d90..1f1b3647a9 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2337,6 +2337,17 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
 	if (err)
 		goto restore_opts;
 
+#ifdef CONFIG_BLK_DEV_ZONED
+	if (f2fs_sb_has_blkzoned(sbi) &&
+		sbi->max_open_zones < F2FS_OPTION(sbi).active_logs) {
+		f2fs_err(sbi,
+			"zoned: max open zones %u is too small, need at least %u open zones",
+				 sbi->max_open_zones, F2FS_OPTION(sbi).active_logs);
+		err = -EINVAL;
+		goto restore_opts;
+	}
+#endif
+
 	/* flush outstanding errors before changing fs state */
 	flush_work(&sbi->s_error_work);
 
@@ -2558,6 +2569,11 @@ restore_opts:
 	return err;
 }
 
+static void f2fs_shutdown(struct super_block *sb)
+{
+	f2fs_do_shutdown(F2FS_SB(sb), F2FS_GOING_DOWN_NOSYNC, false);
+}
+
 #ifdef CONFIG_QUOTA
 static bool f2fs_need_recovery(struct f2fs_sb_info *sbi)
 {
@@ -3157,6 +3173,7 @@ static const struct super_operations f2fs_sops = {
 	.unfreeze_fs	= f2fs_unfreeze,
 	.statfs		= f2fs_statfs,
 	.remount_fs	= f2fs_remount,
+	.shutdown	= f2fs_shutdown,
 };
 
 #ifdef CONFIG_FS_ENCRYPTION
@@ -3452,7 +3469,7 @@ static int sanity_check_raw_super(struct f2fs_sb_info *sbi,
 		}
 	}
 
-	/* Currently, support only 4KB block size */
+	/* only support block_size equals to PAGE_SIZE */
 	if (le32_to_cpu(raw_super->log_blocksize) != F2FS_BLKSIZE_BITS) {
 		f2fs_info(sbi, "Invalid log_blocksize (%u), supports only %u",
 			  le32_to_cpu(raw_super->log_blocksize),
@@ -3873,11 +3890,24 @@ static int init_blkz_info(struct f2fs_sb_info *sbi, int devi)
 	sector_t nr_sectors = bdev_nr_sectors(bdev);
 	struct f2fs_report_zones_args rep_zone_arg;
 	u64 zone_sectors;
+	unsigned int max_open_zones;
 	int ret;
 
 	if (!f2fs_sb_has_blkzoned(sbi))
 		return 0;
 
+	if (bdev_is_zoned(FDEV(devi).bdev)) {
+		max_open_zones = bdev_max_open_zones(bdev);
+		if (max_open_zones && (max_open_zones < sbi->max_open_zones))
+			sbi->max_open_zones = max_open_zones;
+		if (sbi->max_open_zones < F2FS_OPTION(sbi).active_logs) {
+			f2fs_err(sbi,
+				"zoned: max open zones %u is too small, need at least %u open zones",
+				sbi->max_open_zones, F2FS_OPTION(sbi).active_logs);
+			return -EINVAL;
+		}
+	}
+
 	zone_sectors = bdev_zone_sectors(bdev);
 	if (sbi->blocks_per_blkz && sbi->blocks_per_blkz !=
 				SECTOR_TO_BLOCK(zone_sectors))
@@ -4197,6 +4227,9 @@ static int f2fs_scan_devices(struct f2fs_sb_info *sbi)
 
 	logical_blksize = bdev_logical_block_size(sbi->sb->s_bdev);
 	sbi->aligned_blksize = true;
+#ifdef CONFIG_BLK_DEV_ZONED
+	sbi->max_open_zones = UINT_MAX;
+#endif
 
 	for (i = 0; i < max_devices; i++) {
 		if (i == 0)
@@ -4911,12 +4944,6 @@ static int __init init_f2fs_fs(void)
 {
 	int err;
 
-	if (PAGE_SIZE != F2FS_BLKSIZE) {
-		printk("F2FS not supported on PAGE_SIZE(%lu) != BLOCK_SIZE(%lu)\n",
-				PAGE_SIZE, F2FS_BLKSIZE);
-		return -EINVAL;
-	}
-
 	err = init_inodecache();
 	if (err)
 		goto fail;