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SubjectRe: [PATCH] deprecate use of bdflush()
On Mon, 2002-12-02 at 17:11, Andrew Morton wrote:

> Ho-hum. I was going to do this months ago but general exhaustion
> and sluggishness won out.
> We should tell the user which process called sys_bdflush() to aid
> their expunging efforts.

Good idea.

I could do without the rate limiting, though - the print is after the
CAP_SYS_ADMIN check. Root has plenty of other ways to print crap to the
screen and it saves 32-bits from bss. But, uh, not a big deal at all
either way.

Robert Love

fs/buffer.c | 7 +++++++
1 files changed, 7 insertions(+)

diff -urN linux-2.5.49-mm2/fs/buffer.c linux/fs/buffer.c
--- linux-2.5.49-mm2/fs/buffer.c 2002-12-02 16:07:53.000000000 -0500
+++ linux/fs/buffer.c 2002-12-02 17:24:57.000000000 -0500
@@ -2757,11 +2757,18 @@
* There are no bdflush tunables left. But distributions are
* still running obsolete flush daemons, so we terminate them here.
+ *
+ * Use of bdflush() is deprecated and will be removed in a future kernel.
+ * The `pdflush' kernel threads fully replace bdflush daemons and this call.
asmlinkage long sys_bdflush(int func, long data)
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ printk(KERN_WARNING "warning: process `%s' used the deprecated bdflush"
+ " system call. Fix your initscripts?\n",
+ current->comm);
if (func == 1)
return 0;

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