add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/fs/btrfs/super.c
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..
@@ -1692,8 +1692,6 @@
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 	} else {
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 		snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev);
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 		btrfs_sb(s)->bdev_holder = fs_type;
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-		if (!strstr(crc32c_impl(), "generic"))
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-			set_bit(BTRFS_FS_CSUM_IMPL_FAST, &fs_info->flags);
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 		error = btrfs_fill_super(s, fs_devices, data);
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 	}
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 	if (!error)
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..
@@ -2269,7 +2267,7 @@
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 	 * calculated f_bavail.
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 	 */
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 	if (!mixed && block_rsv->space_info->full &&
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-	    total_free_meta - thresh < block_rsv->size)
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+	    (total_free_meta < thresh || total_free_meta - thresh < block_rsv->size))
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 		buf->f_bavail = 0;
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 	buf->f_type = BTRFS_SUPER_MAGIC;