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authorKent Overstreet <kent.overstreet@gmail.com>2022-06-18 19:55:32 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-22 17:09:34 -0400
commita3d7afa5c1b62140168982747fd15c1999d991f4 (patch)
treed1bd1ea4f390c17225ff423a5ef99450f8e177a3 /fs/bcachefs/reflink.c
parent23189da9eb6b34fc1ceb077edb32e308d0ad6760 (diff)
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bcachefs: Always use percpu_ref_tryget_live() on c->writes
If we're trying to get a ref and the refcount has been killed, it means we're doing an emergency shutdown - we always want tryget_live(). Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/reflink.c')
-rw-r--r--fs/bcachefs/reflink.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/bcachefs/reflink.c b/fs/bcachefs/reflink.c
index 4e589c02a93b..2038e3502d8c 100644
--- a/fs/bcachefs/reflink.c
+++ b/fs/bcachefs/reflink.c
@@ -282,7 +282,7 @@ s64 bch2_remap_range(struct bch_fs *c,
u32 dst_snapshot, src_snapshot;
int ret = 0, ret2 = 0;
- if (!percpu_ref_tryget(&c->writes))
+ if (!percpu_ref_tryget_live(&c->writes))
return -EROFS;
bch2_check_set_feature(c, BCH_FEATURE_reflink);