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bcachefs: remove write permission for gc_gens_pos sysfs interface

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The gc_gens_pos is used to show the status of bucket gen gc.
There is no need to assign write permissions for this attribute.
Here we can use read_attribute helper to define this attribute.

```
[Before]
  $ ll internal/gc_gens_pos
  -rw-r--r-- 1 root root 4096 Oct 28 15:27 internal/gc_gens_pos

[After]
  $ ll internal/gc_gens_pos
  -r--r--r-- 1 root root 4096 Oct 28 17:27 internal/gc_gens_pos
```

Fixes: ac516d0e7d ("bcachefs: Add the status of bucket gen gc to sysfs")
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Hongbo Li
2024-10-29 20:53:50 +08:00
committed by Kent Overstreet
parent 161d13835e
commit d3d8ec90ba
1 changed files with 1 additions and 1 deletions
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2
fs/bcachefs/sysfs.c
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@@ -146,7 +146,7 @@ write_attribute(trigger_journal_writes);
write_attribute(trigger_btree_cache_shrink);
write_attribute(trigger_btree_key_cache_shrink);
write_attribute(trigger_freelist_wakeup);
rw_attribute(gc_gens_pos);
read_attribute(gc_gens_pos);
read_attribute(uuid);
read_attribute(minor);