f2fs: introduce fs_context_operation structure

The handle_mount_opt() helper is used to parse mount parameters,
and so we can rename this function to f2fs_parse_param() and set
it as .param_param in fs_context_operations.

Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
[sandeen: forward port]
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index e0c64b33d2541d1da61caeef57e3ccb960ed6f8f..17786d79cedd853e7c93937e45cfbfcd55c7829c 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -700,7 +700,7 @@ static int f2fs_set_zstd_level(struct f2fs_fs_context *ctx, const char *str)
 #endif
 #endif
 
-static int handle_mount_opt(struct fs_context *fc, struct fs_parameter *param)
+static int f2fs_parse_param(struct fs_context *fc, struct fs_parameter *param)
 {
        struct f2fs_fs_context *ctx = fc->fs_private;
 #ifdef CONFIG_F2FS_FS_COMPRESSION
@@ -1171,7 +1171,7 @@ static int parse_options(struct fs_context *fc, char *options)
                        param.key = key;
                        param.size = v_len;
 
-                       ret = handle_mount_opt(fc, &param);
+                       ret = f2fs_parse_param(fc, &param);
                        kfree(param.string);
                        if (ret < 0)
                                return ret;
@@ -5352,6 +5352,10 @@ static struct dentry *f2fs_mount(struct file_system_type *fs_type, int flags,
        return mount_bdev(fs_type, flags, dev_name, data, f2fs_fill_super);
 }
 
+static const struct fs_context_operations f2fs_context_ops = {
+       .parse_param    = f2fs_parse_param,
+};
+
 static void kill_f2fs_super(struct super_block *sb)
 {
        struct f2fs_sb_info *sbi = F2FS_SB(sb);