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A fix from Nic for a race seen in production (including a stable tag).

Browse source 
And while I'm sending you this I'm also sneaking in a trivial new helper
 from Bart so that we don't need inter-tree dependencies for the next merge
 window.
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Merge tag 'configfs-for-4.12' of git://git.infradead.org/users/hch/configfs

Pull configfs updates from Christoph Hellwig:
 "A fix from Nic for a race seen in production (including a stable tag).

  And while I'm sending you this I'm also sneaking in a trivial new
  helper from Bart so that we don't need inter-tree dependencies for the
  next merge window"

* tag 'configfs-for-4.12' of git://git.infradead.org/users/hch/configfs:
  configfs: Introduce config_item_get_unless_zero()
  configfs: Fix race between create_link and configfs_rmdir
This commit is contained in:
Linus Torvalds 2017-06-16 18:45:47 +09:00
commit ab2789b72d
3 changed files with 11 additions and 3 deletions
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3
include/linux/configfs.h
View file

@ -74,7 +74,8 @@ extern void config_item_init_type_name(struct config_item *item,
const char *name,
struct config_item_type *type);
extern struct config_item * config_item_get(struct config_item *);
extern struct config_item *config_item_get(struct config_item *);
extern struct config_item *config_item_get_unless_zero(struct config_item *);
extern void config_item_put(struct config_item *);
struct config_item_type {