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
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
file.c	um: Add support for DISCARD in the UBD Driver	2018-12-27 22:48:20 +01:00
helper.c
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
Makefile	um: remove unused AIO code	2018-10-29 22:23:12 +01:00
mem.c
process.c
registers.c
sigio.c
signal.c	um: Compile with modern headers	2018-03-29 22:15:12 +02:00
start_up.c
time.c
tty.c
umid.c
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