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init: reduce rootwait polling interval time to 5ms 

For several devices, the rootwait time is sensitive because it directly
affects booting time.  The polling interval of rootwait is currently
100ms.  To save unnessesary waiting time, reduce the polling interval to
5 ms.

[akpm@linux-foundation.org: remove used-once #define]
Link: http://lkml.kernel.org/r/20161207060743.1728-1-js07.lee@samsung.com
Signed-off-by: Jungseung Lee <js07.lee@samsung.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jungseung Lee 2016-12-12 16:46:43 -08:00 committed by Linus Torvalds
parent 30f74aa085
commit 39a0e975c3
1 changed files with 1 additions and 1 deletions
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2
init/do_mounts.c
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@ -588,7 +588,7 @@ void __init prepare_namespace(void)
saved_root_name);
while (driver_probe_done() != 0 ||
(ROOT_DEV = name_to_dev_t(saved_root_name)) == 0)
msleep(100);
msleep(5);
async_synchronize_full();
}