/*
* Subject to the GPL, version 2.
*/
#include "xmalloc.h"
struct panic_handler {
void *arg;
pid_t pid;
bool is_enabled;
void (*on_panic)(void *arg);
struct panic_handler *next;
};
static struct panic_handler *panic_handlers;
void panic_handler_add(void (*on_panic)(void *arg), void *arg)
{
struct panic_handler *handler = xmallocz(sizeof(*handler));
handler->arg = arg;
handler->pid = getpid();
handler->is_enabled = true;
handler->on_panic = on_panic;
handler->next = panic_handlers;
panic_handlers = handler;
};
void call_panic_handlers(void)
{
struct panic_handler *it;
pid_t pid = getpid();
for (it = panic_handlers; it; it = it->next) {
if (it->pid == pid && it->is_enabled) {
it->is_enabled = false;
it->on_panic(it->arg);
}
}
}
lass='logo' rowspan='2'>
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A set of fixes for this series. This contains:
- Set of fixes for the nvme target code
- A revert of patch from this merge window, causing a regression with
WRITE_SAME on iSCSI targets at least.
- A fix for a use-after-free in the new O_DIRECT bdev code.
- Two fixes for the xen-blkfront driver"
* 'for-linus' of git://git.kernel.dk/linux-block:
Revert "sd: remove __data_len hack for WRITE SAME"
nvme-fc: use blk_rq_nr_phys_segments
nvmet-rdma: Fix missing dma sync to nvme data structures
nvmet: Call fatal_error from keep-alive timout expiration
nvmet: cancel fatal error and flush async work before free controller
nvmet: delete controllers deletion upon subsystem release
nvmet_fc: correct logic in disconnect queue LS handling
block: fix use after free in __blkdev_direct_IO
xen-blkfront: correct maximum segment accounting
xen-blkfront: feature flags handling adjustments