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-rw-r--r--fs/bcachefs/opts.c50
-rw-r--r--fs/bcachefs/opts.h5
-rw-r--r--fs/bcachefs/super-io.c16
-rw-r--r--fs/bcachefs/sysfs.c2
-rw-r--r--fs/bcachefs/xattr.c2
5 files changed, 43 insertions, 32 deletions
diff --git a/fs/bcachefs/opts.c b/fs/bcachefs/opts.c
index ce5cb7edcbd3..77fbb7d2194e 100644
--- a/fs/bcachefs/opts.c
+++ b/fs/bcachefs/opts.c
@@ -224,42 +224,43 @@ static int bch2_mount_opt_lookup(const char *name)
return bch2_opt_lookup(name);
}
-static int bch2_opt_validate(const struct bch_option *opt, const char *msg, u64 v)
+int bch2_opt_validate(const struct bch_option *opt, u64 v, struct printbuf *err)
{
if (v < opt->min) {
- if (msg)
- pr_err("invalid %s%s: too small (min %llu)",
- msg, opt->attr.name, opt->min);
+ if (err)
+ pr_buf(err, "%s: too small (min %llu)",
+ opt->attr.name, opt->min);
return -ERANGE;
}
if (opt->max && v >= opt->max) {
- if (msg)
- pr_err("invalid %s%s: too big (max %llu)",
- msg, opt->attr.name, opt->max);
+ if (err)
+ pr_buf(err, "%s: too big (max %llu)",
+ opt->attr.name, opt->max);
return -ERANGE;
}
if ((opt->flags & OPT_SB_FIELD_SECTORS) && (v & 511)) {
- if (msg)
- pr_err("invalid %s %s: not a multiple of 512",
- msg, opt->attr.name);
+ if (err)
+ pr_buf(err, "%s: not a multiple of 512",
+ opt->attr.name);
return -EINVAL;
}
if ((opt->flags & OPT_MUST_BE_POW_2) && !is_power_of_2(v)) {
- if (msg)
- pr_err("invalid %s%s: must be a power of two",
- msg, opt->attr.name);
+ if (err)
+ pr_buf(err, "%s: must be a power of two",
+ opt->attr.name);
return -EINVAL;
}
return 0;
}
-int bch2_opt_parse(struct bch_fs *c, const char *msg,
+int bch2_opt_parse(struct bch_fs *c,
const struct bch_option *opt,
- const char *val, u64 *res)
+ const char *val, u64 *res,
+ struct printbuf *err)
{
ssize_t ret;
@@ -292,7 +293,7 @@ int bch2_opt_parse(struct bch_fs *c, const char *msg,
return ret;
}
- return bch2_opt_validate(opt, msg, *res);
+ return bch2_opt_validate(opt, *res, err);
}
void bch2_opt_to_text(struct printbuf *out,
@@ -372,6 +373,7 @@ int bch2_parse_mount_opts(struct bch_fs *c, struct bch_opts *opts,
char *copied_opts, *copied_opts_start;
char *opt, *name, *val;
int ret, id;
+ struct printbuf err = PRINTBUF;
u64 v;
if (!options)
@@ -391,8 +393,7 @@ int bch2_parse_mount_opts(struct bch_fs *c, struct bch_opts *opts,
if (id < 0)
goto bad_opt;
- ret = bch2_opt_parse(c, "mount option ",
- &bch2_opt_table[id], val, &v);
+ ret = bch2_opt_parse(c, &bch2_opt_table[id], val, &v, &err);
if (ret < 0)
goto bad_val;
} else {
@@ -435,7 +436,7 @@ bad_opt:
ret = -1;
goto out;
bad_val:
- pr_err("Invalid value %s for mount option %s", val, name);
+ pr_err("Invalid mount option %s", err.buf);
ret = -1;
goto out;
no_val:
@@ -444,6 +445,7 @@ no_val:
goto out;
out:
kfree(copied_opts_start);
+ printbuf_exit(&err);
return ret;
}
@@ -470,22 +472,14 @@ u64 bch2_opt_from_sb(struct bch_sb *sb, enum bch_opt_id id)
int bch2_opts_from_sb(struct bch_opts *opts, struct bch_sb *sb)
{
unsigned id;
- int ret;
for (id = 0; id < bch2_opts_nr; id++) {
const struct bch_option *opt = bch2_opt_table + id;
- u64 v;
if (opt->get_sb == BCH2_NO_SB_OPT)
continue;
- v = bch2_opt_from_sb(sb, id);
-
- ret = bch2_opt_validate(opt, "superblock option ", v);
- if (ret)
- return ret;
-
- bch2_opt_set_by_id(opts, id, v);
+ bch2_opt_set_by_id(opts, id, bch2_opt_from_sb(sb, id));
}
return 0;
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index eeab4bb22597..69ca75429943 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -489,8 +489,9 @@ void __bch2_opt_set_sb(struct bch_sb *, const struct bch_option *, u64);
void bch2_opt_set_sb(struct bch_fs *, const struct bch_option *, u64);
int bch2_opt_lookup(const char *);
-int bch2_opt_parse(struct bch_fs *, const char *, const struct bch_option *,
- const char *, u64 *);
+int bch2_opt_validate(const struct bch_option *, u64, struct printbuf *);
+int bch2_opt_parse(struct bch_fs *, const struct bch_option *,
+ const char *, u64 *, struct printbuf *);
#define OPT_SHOW_FULL_LIST (1 << 0)
#define OPT_SHOW_MOUNT_STYLE (1 << 1)
diff --git a/fs/bcachefs/super-io.c b/fs/bcachefs/super-io.c
index eaa54167d6b3..224653f129f8 100644
--- a/fs/bcachefs/super-io.c
+++ b/fs/bcachefs/super-io.c
@@ -258,6 +258,7 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out)
struct bch_sb *sb = disk_sb->sb;
struct bch_sb_field *f;
struct bch_sb_field_members *mi;
+ enum bch_opt_id opt_id;
u32 version, version_min;
u16 block_size;
int ret;
@@ -329,6 +330,21 @@ static int bch2_sb_validate(struct bch_sb_handle *disk_sb, struct printbuf *out)
return -EINVAL;
}
+ for (opt_id = 0; opt_id < bch2_opts_nr; opt_id++) {
+ const struct bch_option *opt = bch2_opt_table + opt_id;
+
+ if (opt->get_sb != BCH2_NO_SB_OPT) {
+ u64 v = bch2_opt_from_sb(sb, opt_id);
+
+ pr_buf(out, "Invalid option ");
+ ret = bch2_opt_validate(opt, v, out);
+ if (ret)
+ return ret;
+
+ printbuf_reset(out);
+ }
+ }
+
/* validate layout */
ret = validate_sb_layout(&sb->layout, out);
if (ret)
diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c
index afcb5ad1aa62..dc67506e08d7 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -624,7 +624,7 @@ STORE(bch2_fs_opts_dir)
goto err;
}
- ret = bch2_opt_parse(c, NULL, opt, strim(tmp), &v);
+ ret = bch2_opt_parse(c, opt, strim(tmp), &v, NULL);
kfree(tmp);
if (ret < 0)
diff --git a/fs/bcachefs/xattr.c b/fs/bcachefs/xattr.c
index ecce10342126..270276a0289f 100644
--- a/fs/bcachefs/xattr.c
+++ b/fs/bcachefs/xattr.c
@@ -525,7 +525,7 @@ static int bch2_xattr_bcachefs_set(const struct xattr_handler *handler,
memcpy(buf, value, size);
buf[size] = '\0';
- ret = bch2_opt_parse(c, NULL, opt, buf, &v);
+ ret = bch2_opt_parse(c, opt, buf, &v, NULL);
kfree(buf);
if (ret < 0)
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-16 07:56:44 +0300