Revert "ext4: don't clear SB_RDONLY when remounting r/w until quota is re-enabled"

This reverts commit a44be64.

Link: https://lore.kernel.org/r/653b3359-2005-21b1-039d-c55ca4cffdcc@gmail.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

Author: tytso

fs/ext4/super.c

@@ -6388,7 +6388,6 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb)
 	struct ext4_mount_options old_opts;
 	ext4_group_t g;
 	int err = 0;
-	int enable_rw = 0;
 #ifdef CONFIG_QUOTA
 	int enable_quota = 0;
 	int i, j;
@@ -6575,7 +6574,7 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb)
 			if (err)
 				goto restore_opts;
 
-			enable_rw = 1;
+			sb->s_flags &= ~SB_RDONLY;
 			if (ext4_has_feature_mmp(sb)) {
 				err = ext4_multi_mount_protect(sb,
 						le64_to_cpu(es->s_mmp_block));
@@ -6622,9 +6621,6 @@ static int __ext4_remount(struct fs_context *fc, struct super_block *sb)
 	if (!test_opt(sb, BLOCK_VALIDITY) && sbi->s_system_blks)
 		ext4_release_system_zone(sb);
 
-	if (enable_rw)
-		sb->s_flags &= ~SB_RDONLY;
-
 	/*
 	 * Reinitialize lazy itable initialization thread based on
 	 * current settings