From 01566db2fb1fca313d75b8b849ee95bb9ec5bcd7 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Wed, 12 Aug 2020 15:00:08 -0400 Subject: [PATCH] bcachefs: Fix disk groups not being updated when set via sysfs Signed-off-by: Kent Overstreet Signed-off-by: Kent Overstreet --- fs/bcachefs/disk_groups.c | 7 ++++++- fs/bcachefs/disk_groups.h | 3 +++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/fs/bcachefs/disk_groups.c b/fs/bcachefs/disk_groups.c index ee10308131e94..1c30065833c2c 100644 --- a/fs/bcachefs/disk_groups.c +++ b/fs/bcachefs/disk_groups.c @@ -387,6 +387,7 @@ int bch2_dev_group_set(struct bch_fs *c, struct bch_dev *ca, const char *name) { struct bch_member *mi; int v = -1; + int ret = 0; mutex_lock(&c->sb_lock); @@ -399,14 +400,18 @@ int bch2_dev_group_set(struct bch_fs *c, struct bch_dev *ca, const char *name) return v; } + ret = bch2_sb_disk_groups_to_cpu(c); + if (ret) + goto unlock; write_sb: mi = &bch2_sb_get_members(c->disk_sb.sb)->members[ca->dev_idx]; SET_BCH_MEMBER_GROUP(mi, v + 1); bch2_write_super(c); +unlock: mutex_unlock(&c->sb_lock); - return 0; + return ret; } int bch2_opt_target_parse(struct bch_fs *c, const char *buf, u64 *v) diff --git a/fs/bcachefs/disk_groups.h b/fs/bcachefs/disk_groups.h index c8e0c37a5e1a4..3d84f23c34ed4 100644 --- a/fs/bcachefs/disk_groups.h +++ b/fs/bcachefs/disk_groups.h @@ -71,7 +71,10 @@ static inline struct bch_devs_mask target_rw_devs(struct bch_fs *c, bool bch2_dev_in_target(struct bch_fs *, unsigned, unsigned); int bch2_disk_path_find(struct bch_sb_handle *, const char *); + +/* Exported for userspace bcachefs-tools: */ int bch2_disk_path_find_or_create(struct bch_sb_handle *, const char *); + void bch2_disk_path_to_text(struct printbuf *, struct bch_sb_handle *, unsigned); -- 2.30.2