From 8843824b67db0bc61c9aee30e88fa8558317d0c1 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 20 Oct 2017 11:25:34 +0200 Subject: [PATCH] nfsd: use ktime_get_seconds() for timestamps [ Upstream commit b3f255ef6bffc18a28c3b6295357f2a3380c033f ] The delegation logic in nfsd uses the somewhat inefficient seconds_since_boot() function to record time intervals. Signed-off-by: Arnd Bergmann Signed-off-by: J. Bruce Fields Stable-dep-of: 45bb63ed20e0 ("nfsd: fix delegation_blocked() to block correctly for at least 30 seconds") Signed-off-by: Sasha Levin --- fs/nfsd/nfs4state.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c index a0aa7e63739d..336342b41462 100644 --- a/fs/nfsd/nfs4state.c +++ b/fs/nfsd/nfs4state.c @@ -832,7 +832,7 @@ static void nfs4_free_deleg(struct nfs4_stid *stid) static DEFINE_SPINLOCK(blocked_delegations_lock); static struct bloom_pair { int entries, old_entries; - time_t swap_time; + time64_t swap_time; int new; /* index into 'set' */ DECLARE_BITMAP(set[2], 256); } blocked_delegations; @@ -844,15 +844,15 @@ static int delegation_blocked(struct knfsd_fh *fh) if (bd->entries == 0) return 0; - if (seconds_since_boot() - bd->swap_time > 30) { + if (ktime_get_seconds() - bd->swap_time > 30) { spin_lock(&blocked_delegations_lock); - if (seconds_since_boot() - bd->swap_time > 30) { + if (ktime_get_seconds() - bd->swap_time > 30) { bd->entries -= bd->old_entries; bd->old_entries = bd->entries; memset(bd->set[bd->new], 0, sizeof(bd->set[0])); bd->new = 1-bd->new; - bd->swap_time = seconds_since_boot(); + bd->swap_time = ktime_get_seconds(); } spin_unlock(&blocked_delegations_lock); } @@ -882,7 +882,7 @@ static void block_delegations(struct knfsd_fh *fh) __set_bit((hash>>8)&255, bd->set[bd->new]); __set_bit((hash>>16)&255, bd->set[bd->new]); if (bd->entries == 0) - bd->swap_time = seconds_since_boot(); + bd->swap_time = ktime_get_seconds(); bd->entries += 1; spin_unlock(&blocked_delegations_lock); }