Anton Ivanov 50109b5a03 um: Add support for DISCARD in the UBD Driver ... Support for DISCARD and WRITE_ZEROES in the ubd driver using fallocate. DISCARD is enabled by default and can be disabled using a new UBD command line flag. If the underlying fs on which the UBD image is stored does not support DISCARD the support for both DISCARD and WRITE_ZEROES is turned off. Signed-off-by: Anton Ivanov <anton.ivanov@cambridgegreys.com> Signed-off-by: Richard Weinberger <richard@nod.at>		2018-12-27 22:48:20 +01:00
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drivers	um: return negative in tuntap_open_tramp()	2017-09-13 22:36:50 +02:00
skas	um: Give start_idle_thread() a return code	2018-10-29 22:23:11 +01:00
Makefile	um: remove unused AIO code	2018-10-29 22:23:12 +01:00
elf_aux.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
execvp.c	um: Use os_warn to print out pre-boot warning/error messages	2017-07-05 23:18:25 +02:00
file.c	um: Add support for DISCARD in the UBD Driver	2018-12-27 22:48:20 +01:00
helper.c	um: Fix waitpid() usage in helper code	2015-10-19 22:53:37 +02:00
irq.c	Epoll based IRQ controller	2018-02-19 19:38:51 +01:00
main.c	um: remove uml initcalls	2018-06-10 22:49:14 +02:00
mem.c	um: Use os_warn to print out pre-boot warning/error messages	2017-07-05 23:18:25 +02:00
process.c	um: Switch clocksource to hrtimers	2015-11-06 22:54:49 +01:00
registers.c	um: get rid of pointless include "..." where include <...> will do	2012-10-09 22:28:45 +02:00
sigio.c	um: Cleanup SIGTERM handling	2013-09-07 10:56:58 +02:00
signal.c	um: Compile with modern headers	2018-03-29 22:15:12 +02:00
start_up.c	Fix minor typos and grammar in UML start_up help	2017-09-13 22:33:23 +02:00
time.c	um: Switch clocksource to hrtimers	2015-11-06 22:54:49 +01:00
tty.c	um: get rid of pointless include "..." where include <...> will do	2012-10-09 22:28:45 +02:00
umid.c	um: Use os_warn to print out pre-boot warning/error messages	2017-07-05 23:18:25 +02:00
user_syms.c	License cleanup: add SPDX GPL-2.0 license identifier to files with no license	2017-11-02 11:10:55 +01:00
util.c	um: Add os_warn() for pre-boot warning/error messages	2017-07-05 23:18:02 +02:00