iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bcachefs: bch2_bkey_has_target() -> bch2_dev_rcu()

Browse Source 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet
2024-04-30 21:12:31 -04:00
parent 8feecbed24
commit 8e3cc2003f
1 changed files with 10 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
fs/bcachefs/extents.c
View File

@ -870,14 +870,21 @@ const struct bch_extent_ptr *bch2_bkey_has_device_c(struct bkey_s_c k, unsigned
bool bch2_bkey_has_target(struct bch_fs *c, struct bkey_s_c k, unsigned target) bool bch2_bkey_has_target(struct bch_fs *c, struct bkey_s_c k, unsigned target)
{ {
struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k); struct bkey_ptrs_c ptrs = bch2_bkey_ptrs_c(k);
struct bch_dev *ca;
bool ret = false;
rcu_read_lock();
bkey_for_each_ptr(ptrs, ptr) bkey_for_each_ptr(ptrs, ptr)
if (bch2_dev_in_target(c, ptr->dev, target) && if (bch2_dev_in_target(c, ptr->dev, target) &&
(ca = bch2_dev_rcu(c, ptr->dev)) &&
(!ptr->cached || (!ptr->cached ||
!dev_ptr_stale(bch2_dev_bkey_exists(c, ptr->dev), ptr))) !dev_ptr_stale_rcu(ca, ptr))) {
return true; ret = true;
break;
}
rcu_read_unlock();
return false; return ret;
} }
bool bch2_bkey_matches_ptr(struct bch_fs *c, struct bkey_s_c k, bool bch2_bkey_matches_ptr(struct bch_fs *c, struct bkey_s_c k,