This is a note to let you know that I've just added the patch titled
Subject: IDE: remove rwsem use from ide-proc core
to my gregkh-2.6 tree. Its filename is
ide-proc-remove-rwsem.patch
This tree can be found at
http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/
>From foo@baz Tue Apr 9 12:12:43 2002
Date: Mon, 9 Apr 2007 11:52:31 -0400 (EDT)
To: Greg KH <greg@xxxxxxxxx>
From: Greg Kroah-Hartman <gregkh@xxxxxxx>
Subject: IDE: remove rwsem use from ide-proc core
The subsystem rwsem is not used by the driver core at all, so the use of
it in the ide-proc code of it doesn't make any sense. Perhaps a local
lock might be needed, but I do not really think so.
Cc: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx>
Cc: linux ide <linux-ide@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
drivers/ide/ide-proc.c | 4 ----
1 file changed, 4 deletions(-)
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -310,14 +310,12 @@ static int proc_ide_read_driver
ide_driver_t *ide_drv;
int len;
- down_read(&dev->bus->subsys.rwsem);
if (dev->driver) {
ide_drv = container_of(dev->driver, ide_driver_t, gen_driver);
len = sprintf(page, "%s version %s\n",
dev->driver->name, ide_drv->version);
} else
len = sprintf(page, "ide-default version 0.9.newide\n");
- up_read(&dev->bus->subsys.rwsem);
PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
}
@@ -327,7 +325,6 @@ static int ide_replace_subdriver(ide_dri
int ret = 1;
int err;
- down_write(&dev->bus->subsys.rwsem);
device_release_driver(dev);
/* FIXME: device can still be in use by previous driver */
strlcpy(drive->driver_req, driver, sizeof(drive->driver_req));
@@ -345,7 +342,6 @@ static int ide_replace_subdriver(ide_dri
}
if (dev->driver && !strcmp(dev->driver->name, driver))
ret = 0;
- up_write(&dev->bus->subsys.rwsem);
return ret;
}
Patches currently in gregkh-2.6 which might be from greg@xxxxxxxxx are
-
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