diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 48782861cf62e5bfe862f42278333783d6204102..7e38a3e0442b90e088a5c3c26c47eaf83a95f79c 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3519,7 +3519,7 @@ block_t f2fs_start_bidx_of_node(unsigned int node_ofs, struct inode *inode);
 int f2fs_gc(struct f2fs_sb_info *sbi, bool sync, bool background, bool force,
 			unsigned int segno);
 void f2fs_build_gc_manager(struct f2fs_sb_info *sbi);
-int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count);
+int f2fs_resize_fs(struct file *filp, __u64 block_count);
 int __init f2fs_create_garbage_collection_cache(void);
 void f2fs_destroy_garbage_collection_cache(void);
 
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 1fbaab1f7aba8666da7f07193ffc4c179b55da57..9ba46b90796e1f09d840485e05e642dfb3113633 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -3347,7 +3347,7 @@ static int f2fs_ioc_resize_fs(struct file *filp, unsigned long arg)
 			   sizeof(block_count)))
 		return -EFAULT;
 
-	return f2fs_resize_fs(sbi, block_count);
+	return f2fs_resize_fs(filp, block_count);
 }
 
 static int f2fs_ioc_enable_verity(struct file *filp, unsigned long arg)
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index d87861e8a064fec278e9a97ba7622a2c36bbf55b..f3b7f9179f11b78c504ac592a7eee78228bab171 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -7,6 +7,7 @@
  */
 #include <linux/fs.h>
 #include <linux/module.h>
+#include <linux/mount.h>
 #include <linux/backing-dev.h>
 #include <linux/init.h>
 #include <linux/f2fs_fs.h>
@@ -1968,8 +1969,9 @@ static void update_fs_metadata(struct f2fs_sb_info *sbi, int secs)
 	}
 }
 
-int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count)
+int f2fs_resize_fs(struct file *filp, __u64 block_count)
 {
+	struct f2fs_sb_info *sbi = F2FS_I_SB(file_inode(filp));
 	__u64 old_block_count, shrunk_blocks;
 	struct cp_control cpc = { CP_RESIZE, 0, 0, 0 };
 	unsigned int secs;
@@ -2007,12 +2009,18 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count)
 		return -EINVAL;
 	}
 
+	err = mnt_want_write_file(filp);
+	if (err)
+		return err;
+
 	shrunk_blocks = old_block_count - block_count;
 	secs = div_u64(shrunk_blocks, BLKS_PER_SEC(sbi));
 
 	/* stop other GC */
-	if (!down_write_trylock(&sbi->gc_lock))
-		return -EAGAIN;
+	if (!down_write_trylock(&sbi->gc_lock)) {
+		err = -EAGAIN;
+		goto out_drop_write;
+	}
 
 	/* stop CP to protect MAIN_SEC in free_segment_range */
 	f2fs_lock_op(sbi);
@@ -2032,12 +2040,20 @@ int f2fs_resize_fs(struct f2fs_sb_info *sbi, __u64 block_count)
 out_unlock:
 	f2fs_unlock_op(sbi);
 	up_write(&sbi->gc_lock);
+out_drop_write:
+	mnt_drop_write_file(filp);
 	if (err)
 		return err;
 
 	set_sbi_flag(sbi, SBI_IS_RESIZEFS);
 
 	freeze_super(sbi->sb);
+
+	if (f2fs_readonly(sbi->sb)) {
+		thaw_super(sbi->sb);
+		return -EROFS;
+	}
+
 	down_write(&sbi->gc_lock);
 	mutex_lock(&sbi->cp_mutex);