On 2024/9/13 2:35, Riyan Dhiman wrote:
Convert struct bch_opts opts to const struct bch_opts *opts in
bch2_opts_to_text() function paramter. This improves efficiency by
avoiding structure copying and reflects the function's read-only
access to opts.

Fixes: 283ba1b92b1c (bcachefs: bch2_opts_to_text())
Signed-off-by: Riyan Dhiman <[email protected]>
---
Compile tested only.

  fs/bcachefs/fs.c   | 2 +-
  fs/bcachefs/opts.c | 4 ++--
  fs/bcachefs/opts.h | 2 +-
  3 files changed, 4 insertions(+), 4 deletions(-)


Reviewed-by: Hongbo Li <[email protected]>

diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index e44794f7c6a0..1a2ba8472cb1 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -1924,7 +1924,7 @@ static int bch2_show_options(struct seq_file *seq, struct 
dentry *root)
        struct bch_fs *c = root->d_sb->s_fs_info;
        struct printbuf buf = PRINTBUF;
- bch2_opts_to_text(&buf, c->opts, c, c->disk_sb.sb,
+       bch2_opts_to_text(&buf, &c->opts, c, c->disk_sb.sb,
                          OPT_MOUNT, OPT_HIDDEN, OPT_SHOW_MOUNT_STYLE);
        printbuf_nul_terminate(&buf);
        seq_puts(seq, buf.buf);
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c
index 232be8a44051..6216ab5d5c81 100644
--- a/fs/bcachefs/opts.c
+++ b/fs/bcachefs/opts.c
@@ -444,7 +444,7 @@ void bch2_opt_to_text(struct printbuf *out,
  }
void bch2_opts_to_text(struct printbuf *out,
-                      struct bch_opts opts,
+                      const struct bch_opts *opts,
                       struct bch_fs *c, struct bch_sb *sb,
                       unsigned show_mask, unsigned hide_mask,
                       unsigned flags)
@@ -457,7 +457,7 @@ void bch2_opts_to_text(struct printbuf *out,
                if ((opt->flags & hide_mask) || !(opt->flags & show_mask))
                        continue;
- u64 v = bch2_opt_get_by_id(&opts, i);
+               u64 v = bch2_opt_get_by_id(opts, i);
                if (v == bch2_opt_get_by_id(&bch2_opts_default, i))
                        continue;
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index cb2e244a2429..78e1991dc4be 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -606,7 +606,7 @@ int bch2_opt_parse(struct bch_fs *, const struct bch_option 
*,
  void bch2_opt_to_text(struct printbuf *, struct bch_fs *, struct bch_sb *,
                      const struct bch_option *, u64, unsigned);
  void bch2_opts_to_text(struct printbuf *,
-                      struct bch_opts,
+                      const struct bch_opts *,
                       struct bch_fs *, struct bch_sb *,
                       unsigned, unsigned, unsigned);

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