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(parent: 19cbbc6) | patch
dm snapshot: optimize track_chunk
authorMikulas Patocka <mpatocka@redhat.com>
Fri, 21 Dec 2012 20:23:33 +0000 (20:23 +0000)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 21 Dec 2012 20:23:33 +0000 (20:23 +0000)
commit9aa0c0e60ffc2594acaad23127dbea9f3b61821c
tree4464d72c53cc977dea9ddf071ed8d88ee6c312d9tree | snapshot
parent19cbbc60c680e2e404bf55458ad2c4ff60d16076commit | diff
dm snapshot: optimize track_chunk

track_chunk is always called with interrupts enabled. Consequently, we
do not need to save and restore interrupt state in "flags" variable.
This patch changes spin_lock_irqsave to spin_lock_irq and
spin_unlock_irqrestore to spin_unlock_irq.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
drivers/md/dm-snap.c diff | blob | history
Linux Kernel tree with some unpolished code for Colibri/Apalis modules