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linux/arch/um/drivers
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Jeff Dike 8619b86f20 uml: limit request size on COWed devices 
COWed devices can't handle more than 32 (64 on x86_64) sectors in one request
due to the size of the bitmap being carried around in the io_thread_req.

Enforce that by telling the block layer not to put too many sectors in
requests to COWed devices.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-16 09:05:39 -07:00
..
chan_kern.c uml: handle errors on opening host side of consoles 2007-07-16 09:05:38 -07:00
chan_user.c uml: simplify helper stack handling 2007-07-16 09:05:38 -07:00
cow_sys.h uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
cow_user.c [PATCH] uml: fix patch mismerge 2006-05-01 18:17:44 -07:00
cow.h [PATCH] uml: avoid warnings for diffent names for an unsigned quadword 2006-04-11 06:18:37 -07:00
daemon_kern.c [SK_BUFF]: Introduce skb_mac_header() 2007-04-25 22:24:41 -07:00
daemon_user.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
daemon.h [PATCH] uml: const more data 2006-09-27 08:26:15 -07:00
fd.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
harddog_kern.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
harddog_user.c uml: simplify helper stack handling 2007-07-16 09:05:38 -07:00
hostaudio_kern.c uml: rename os_{read_write}_file_k back to os_{read_write}_file 2007-05-07 12:13:03 -07:00
line.c uml: SIGIO support cleanup 2007-07-16 09:05:38 -07:00
Makefile [PATCH] uml: revert block driver use of host AIO 2005-10-12 08:22:26 -07:00
mcast_kern.c [SK_BUFF]: Introduce skb_mac_header() 2007-04-25 22:24:41 -07:00
mcast_user.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
mcast.h [PATCH] uml: const more data 2006-09-27 08:26:15 -07:00
mconsole_kern.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
mconsole_user.c uml: DEBUG_SHIRQ fixes 2007-07-16 09:05:38 -07:00
mmapper_kern.c uml: remove user_util.h 2007-05-07 12:13:01 -07:00
net_kern.c uml: network and pcap cleanup 2007-05-08 11:15:20 -07:00
net_user.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
null.c [PATCH] uml: locking documentation 2006-09-29 09:18:04 -07:00
pcap_kern.c uml: pcap devices should get MACs from command line 2007-05-08 11:15:20 -07:00
pcap_user.c uml: network and pcap cleanup 2007-05-08 11:15:20 -07:00
pcap_user.h [PATCH] missed const in prototype 2006-10-10 15:37:24 -07:00
port_kern.c uml: rename os_{read_write}_file_k back to os_{read_write}_file 2007-05-07 12:13:03 -07:00
port_user.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
port.h
pty.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
random.c uml: rename os_{read_write}_file_k back to os_{read_write}_file 2007-05-07 12:13:03 -07:00
slip_common.c [PATCH] uml: slirp and slip driver cleanups and fixes 2005-06-13 20:58:43 -07:00
slip_common.h [PATCH] uml: fix hugest stack users 2006-02-01 08:53:22 -08:00
slip_kern.c [SK_BUFF]: Introduce skb_mac_header() 2007-04-25 22:24:41 -07:00
slip_user.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
slip.h [PATCH] uml: const more data 2006-09-27 08:26:15 -07:00
slirp_kern.c [SK_BUFF]: Introduce skb_mac_header() 2007-04-25 22:24:41 -07:00
slirp_user.c uml: simplify helper stack handling 2007-07-16 09:05:38 -07:00
slirp.h [PATCH] uml: const more data 2006-09-27 08:26:15 -07:00
ssl.c uml: handle errors on opening host side of consoles 2007-07-16 09:05:38 -07:00
ssl.h
stderr_console.c uml: get declaration of simple_strtoul 2007-06-08 17:23:33 -07:00
stdio_console.c uml: handle errors on opening host side of consoles 2007-07-16 09:05:38 -07:00
stdio_console.h
tty.c uml: Eliminate kernel allocator wrappers 2007-07-16 09:05:38 -07:00
ubd_kern.c uml: limit request size on COWed devices 2007-07-16 09:05:39 -07:00
ubd_user.c uml: DEBUG_SHIRQ fixes 2007-07-16 09:05:38 -07:00
xterm_kern.c uml: xterm driver tidying 2007-07-16 09:05:38 -07:00
xterm.c uml: simplify helper stack handling 2007-07-16 09:05:38 -07:00
xterm.h