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authorKent Overstreet <kent.overstreet@linux.dev>2023-07-13 03:48:32 +0200
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-22 23:10:07 +0200
commit9f343e24f541bef3d5f081925eae5734c2c39c28 (patch)
tree50acbc53466bed838042a96a789d43c016ec8c61 /fs/bcachefs/disk_groups.c
parentbcachefs: Convert snapshot table to RCU array (diff)
downloadlinux-9f343e24f541bef3d5f081925eae5734c2c39c28.tar.xz
linux-9f343e24f541bef3d5f081925eae5734c2c39c28.zip
bcachefs: bch_opt_fn
Minor refactoring to get rid of some unneeded token pasting. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/disk_groups.c')
-rw-r--r--fs/bcachefs/disk_groups.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/fs/bcachefs/disk_groups.c b/fs/bcachefs/disk_groups.c
index 52b640077970..de14ca3a9895 100644
--- a/fs/bcachefs/disk_groups.c
+++ b/fs/bcachefs/disk_groups.c
@@ -460,30 +460,37 @@ int bch2_dev_group_set(struct bch_fs *c, struct bch_dev *ca, const char *name)
return ret;
}
-int bch2_opt_target_parse(struct bch_fs *c, const char *buf, u64 *v)
+int bch2_opt_target_parse(struct bch_fs *c, const char *val, u64 *res,
+ struct printbuf *err)
{
struct bch_dev *ca;
int g;
- if (!strlen(buf) || !strcmp(buf, "none")) {
- *v = 0;
+ if (!val)
+ return -EINVAL;
+
+ if (!c)
+ return 0;
+
+ if (!strlen(val) || !strcmp(val, "none")) {
+ *res = 0;
return 0;
}
/* Is it a device? */
- ca = bch2_dev_lookup(c, buf);
+ ca = bch2_dev_lookup(c, val);
if (!IS_ERR(ca)) {
- *v = dev_to_target(ca->dev_idx);
+ *res = dev_to_target(ca->dev_idx);
percpu_ref_put(&ca->ref);
return 0;
}
mutex_lock(&c->sb_lock);
- g = bch2_disk_path_find(&c->disk_sb, buf);
+ g = bch2_disk_path_find(&c->disk_sb, val);
mutex_unlock(&c->sb_lock);
if (g >= 0) {
- *v = group_to_target(g);
+ *res = group_to_target(g);
return 0;
}