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fs: configfs: don't return anything from drop_link

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Documentation/filesystems/configfs/configfs.txt says:

"When unlink(2) is called on the symbolic link, the source item is
notified via the ->drop_link() method.  Like the ->drop_item() method,
this is a void function and cannot return failure."

The ->drop_item() is indeed a void function, the ->drop_link() is
actually not. This, together with the fact that the value of ->drop_link()
is silently ignored suggests, that it is the ->drop_link() return
type that should be corrected and changed to void.

This patch changes drop_link() signature and all its users.

Signed-off-by: Andrzej Pietrasiewicz <[email protected]>
[hch: reverted reformatting of some code]
Signed-off-by: Christoph Hellwig <[email protected]>
This commit is contained in:
Andrzej Pietrasiewicz 2016-11-28 13:22:42 +01:00 • committed by Christoph Hellwig
commit e16769d4bc
6 changed files with 17 additions and 37 deletions
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Documentation/filesystems/configfs/configfs.txt
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@ -174,7 +174,7 @@ among other things. For that, it needs a type.
void (*release)(struct config_item *);
int (*allow_link)(struct config_item *src,
struct config_item *target);
int (*drop_link)(struct config_item *src,
void (*drop_link)(struct config_item *src,
struct config_item *target);
};