Andrea Mazzoleni
7cb33cc046
Add the new --test-io-cache option to control the cache size
2016-01-11 18:54:53 +01:00
Andrea Mazzoleni
2e12b10590
Signal condition variables outside the lock
...
This reduces the number of context switches, because the
signaled thread can start immediately.
Some interesting discussion is at:
Condvars: signal with mutex locked or not?
http://www.domaigne.com/blog/computing/condvars-signal-with-mutex-locked-or-not/
Calling pthread_cond_signal without locking mutex
4544494 (4544494)
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
8e47e2b024
Signal the 'done' condition only at the waiting index
...
This reduces the number of context switches.
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
22d806a04f
Minor beatification at the IO module
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
fb404ef149
Print the amount of memory used for MT
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
4191989fa7
Restore error reporting for parity write
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
a3121c31c5
Add support for multithread parity writing in sync
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
62b7587c3a
IO functions renaming to prepare for parity write support
...
No functional change.
2016-01-09 10:25:56 +01:00
Andrea Mazzoleni
cbf2040b89
Add mutex protection at the filesystem structure
...
In sync we need to modify the filesystem, like to call
fs_deallocate(). We need then proper protection.
This also removes the need of multiple fs_last cached value.
2016-01-09 10:18:14 +01:00
Andrea Mazzoleni
51af8931b7
Add support for multithread data and parity reading in scrub
2016-01-09 10:18:14 +01:00
