Messages in this thread | | | Date | Thu, 21 Sep 2006 23:32:53 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH -mm 5/6] mm: Print first block offset for swap areas |
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On Wed 2006-09-20 21:54:38, Rafael J. Wysocki wrote: > In order to use a swap file with swsusp we need to know the offset at which > its swap header is located. However, the swap header is always located in the > first block of the swap file and it's quite easy to make sys_swapon() print > the offset of the swap file's (or swap partition's) first block. > > Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
ACK.
(main point of this is that it changes user-visible printk, but that's probably okay, and way better than changing /proc files...) Pavel > @@ -1628,9 +1632,10 @@ asmlinkage long sys_swapon(const char __ > total_swap_pages += nr_good_pages; > > printk(KERN_INFO "Adding %uk swap on %s. " > - "Priority:%d extents:%d across:%lluk\n", > + "Priority:%d extents:%d across:%lluk offset:%llu\n", > nr_good_pages<<(PAGE_SHIFT-10), name, p->prio, > - nr_extents, (unsigned long long)span<<(PAGE_SHIFT-10)); > + nr_extents, (unsigned long long)span<<(PAGE_SHIFT-10), > + (unsigned long long)start); > > /* insert swap space into swap_list: */ > prev = -1;
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