Re: [PATCH 14/14] idr: deprecate idr_remove_all()

2013-01-26 Thread Tejun Heo
Hello, Arnd.

On Sat, Jan 26, 2013 at 5:48 AM, Arnd Bergmann  wrote:
> If all in-kernel users are gone, why not just remove the function
> completely?

Out of pure kindness of my heart for the sad folks without the grace
of mainline. I was thinking to kill it in a release cycle or two.

Thanks.

-- 
tejun
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Re: [PATCH 14/14] idr: deprecate idr_remove_all()

2013-01-26 Thread Arnd Bergmann
On Saturday 26 January 2013, Tejun Heo wrote:
> 
> There was only one legitimate use of idr_remove_all() and a lot more
> of incorrect uses (or lack of it).  Now that idr_destroy() implies
> idr_remove_all() and all the in-kernel users updated not to use it,
> there's no reason to keep it around.  Mark it deprecated so that we
> can later unexport it.
> 
> idr_remove_all() is made an inline function calling __idr_remove_all()
> to avoid triggering deprecated warning on EXPORT_SYMBOL().
> 
> Signed-off-by: Tejun Heo 

If all in-kernel users are gone, why not just remove the function
completely?

Arnd
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Re: [PATCH 14/14] idr: deprecate idr_remove_all()

2013-01-26 Thread Arnd Bergmann
On Saturday 26 January 2013, Tejun Heo wrote:
 
 There was only one legitimate use of idr_remove_all() and a lot more
 of incorrect uses (or lack of it).  Now that idr_destroy() implies
 idr_remove_all() and all the in-kernel users updated not to use it,
 there's no reason to keep it around.  Mark it deprecated so that we
 can later unexport it.
 
 idr_remove_all() is made an inline function calling __idr_remove_all()
 to avoid triggering deprecated warning on EXPORT_SYMBOL().
 
 Signed-off-by: Tejun Heo t...@kernel.org

If all in-kernel users are gone, why not just remove the function
completely?

Arnd
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Re: [PATCH 14/14] idr: deprecate idr_remove_all()

2013-01-26 Thread Tejun Heo
Hello, Arnd.

On Sat, Jan 26, 2013 at 5:48 AM, Arnd Bergmann a...@arndb.de wrote:
 If all in-kernel users are gone, why not just remove the function
 completely?

Out of pure kindness of my heart for the sad folks without the grace
of mainline. I was thinking to kill it in a release cycle or two.

Thanks.

-- 
tejun
--
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the body of a message to majord...@vger.kernel.org
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[PATCH 14/14] idr: deprecate idr_remove_all()

2013-01-25 Thread Tejun Heo
There was only one legitimate use of idr_remove_all() and a lot more
of incorrect uses (or lack of it).  Now that idr_destroy() implies
idr_remove_all() and all the in-kernel users updated not to use it,
there's no reason to keep it around.  Mark it deprecated so that we
can later unexport it.

idr_remove_all() is made an inline function calling __idr_remove_all()
to avoid triggering deprecated warning on EXPORT_SYMBOL().

Signed-off-by: Tejun Heo 
---
 include/linux/idr.h | 14 +-
 lib/idr.c   | 10 +++---
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/include/linux/idr.h b/include/linux/idr.h
index de7e190..1b932e7 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -110,10 +110,22 @@ int idr_for_each(struct idr *idp,
 void *idr_get_next(struct idr *idp, int *nextid);
 void *idr_replace(struct idr *idp, void *ptr, int id);
 void idr_remove(struct idr *idp, int id);
-void idr_remove_all(struct idr *idp);
 void idr_destroy(struct idr *idp);
 void idr_init(struct idr *idp);
 
+void __idr_remove_all(struct idr *idp);/* don't use */
+
+/**
+ * idr_remove_all - remove all ids from the given idr tree
+ * @idp: idr handle
+ *
+ * If you're trying to destroy @idp, calling idr_destroy() is enough.
+ * This is going away.  Don't use.
+ */
+static inline void __deprecated idr_remove_all(struct idr *idp)
+{
+   __idr_remove_all(idp);
+}
 
 /*
  * IDA - IDR based id allocator, use when translation from id to
diff --git a/lib/idr.c b/lib/idr.c
index 1e47832..1408e93 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -433,11 +433,7 @@ void idr_remove(struct idr *idp, int id)
 }
 EXPORT_SYMBOL(idr_remove);
 
-/**
- * idr_remove_all - remove all ids from the given idr tree
- * @idp: idr handle
- */
-void idr_remove_all(struct idr *idp)
+void __idr_remove_all(struct idr *idp)
 {
int n, id, max;
int bt_mask;
@@ -470,7 +466,7 @@ void idr_remove_all(struct idr *idp)
}
idp->layers = 0;
 }
-EXPORT_SYMBOL(idr_remove_all);
+EXPORT_SYMBOL(__idr_remove_all);
 
 /**
  * idr_destroy - release all cached layers within an idr tree
@@ -487,7 +483,7 @@ EXPORT_SYMBOL(idr_remove_all);
  */
 void idr_destroy(struct idr *idp)
 {
-   idr_remove_all(idp);
+   __idr_remove_all(idp);
 
while (idp->id_free_cnt) {
struct idr_layer *p = get_from_free_list(idp);
-- 
1.8.1

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[PATCH 14/14] idr: deprecate idr_remove_all()

2013-01-25 Thread Tejun Heo
There was only one legitimate use of idr_remove_all() and a lot more
of incorrect uses (or lack of it).  Now that idr_destroy() implies
idr_remove_all() and all the in-kernel users updated not to use it,
there's no reason to keep it around.  Mark it deprecated so that we
can later unexport it.

idr_remove_all() is made an inline function calling __idr_remove_all()
to avoid triggering deprecated warning on EXPORT_SYMBOL().

Signed-off-by: Tejun Heo t...@kernel.org
---
 include/linux/idr.h | 14 +-
 lib/idr.c   | 10 +++---
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/include/linux/idr.h b/include/linux/idr.h
index de7e190..1b932e7 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -110,10 +110,22 @@ int idr_for_each(struct idr *idp,
 void *idr_get_next(struct idr *idp, int *nextid);
 void *idr_replace(struct idr *idp, void *ptr, int id);
 void idr_remove(struct idr *idp, int id);
-void idr_remove_all(struct idr *idp);
 void idr_destroy(struct idr *idp);
 void idr_init(struct idr *idp);
 
+void __idr_remove_all(struct idr *idp);/* don't use */
+
+/**
+ * idr_remove_all - remove all ids from the given idr tree
+ * @idp: idr handle
+ *
+ * If you're trying to destroy @idp, calling idr_destroy() is enough.
+ * This is going away.  Don't use.
+ */
+static inline void __deprecated idr_remove_all(struct idr *idp)
+{
+   __idr_remove_all(idp);
+}
 
 /*
  * IDA - IDR based id allocator, use when translation from id to
diff --git a/lib/idr.c b/lib/idr.c
index 1e47832..1408e93 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -433,11 +433,7 @@ void idr_remove(struct idr *idp, int id)
 }
 EXPORT_SYMBOL(idr_remove);
 
-/**
- * idr_remove_all - remove all ids from the given idr tree
- * @idp: idr handle
- */
-void idr_remove_all(struct idr *idp)
+void __idr_remove_all(struct idr *idp)
 {
int n, id, max;
int bt_mask;
@@ -470,7 +466,7 @@ void idr_remove_all(struct idr *idp)
}
idp-layers = 0;
 }
-EXPORT_SYMBOL(idr_remove_all);
+EXPORT_SYMBOL(__idr_remove_all);
 
 /**
  * idr_destroy - release all cached layers within an idr tree
@@ -487,7 +483,7 @@ EXPORT_SYMBOL(idr_remove_all);
  */
 void idr_destroy(struct idr *idp)
 {
-   idr_remove_all(idp);
+   __idr_remove_all(idp);
 
while (idp-id_free_cnt) {
struct idr_layer *p = get_from_free_list(idp);
-- 
1.8.1

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