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(parent: 451f0a6) | patch
md: raid 1 supports TRIM
authorShaohua Li <shli@fusionio.com>
Mon, 24 Sep 2012 06:41:26 +0000 (16:41 +1000)
committerNeilBrown <neilb@suse.de>
Mon, 24 Sep 2012 06:41:26 +0000 (16:41 +1000)
commit2998ad95912fdfbf16f099fb121e265357d171e3
tree3a27e1658394d4f34dbf4e69d81a0af333141e85tree | snapshot
parent451f0a6fb77bd6b0a69a2e03fe5cf3f823f57104commit | diff
md: raid 1 supports TRIM

This makes md raid 1 support TRIM.
If one disk supports discard and another not, or one has discard_zero_data and
another not, there could be inconsistent between data from such disks. But this
should not matter, discarded data is useless. This will add extra copy in rebuild
though.

Signed-off-by: Shaohua Li <shli@fusionio.com>
Signed-off-by: NeilBrown <neilb@suse.de>
drivers/md/raid1.c diff | blob | history
Linux kernel for KaRo TX COM modules