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ktime: Cleanup ktime_set() usage

Browse source 
ktime_set(S,N) was required for the timespec storage type and is still
useful for situations where a Seconds and Nanoseconds part of a time value
needs to be converted. For anything where the Seconds argument is 0, this
is pointless and can be replaced with a simple assignment.

Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Peter Zijlstra <[email protected]>
This commit is contained in:
Thomas Gleixner 2016-12-25 12:30:41 +01:00
commit 8b0e195314
56 changed files with 84 additions and 95 deletions
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2
fs/dlm/lock.c
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@ -1395,7 +1395,7 @@ static int nodeid_warned(int nodeid, int num_nodes, int *warned)
void dlm_scan_waiters(struct dlm_ls *ls)
{
struct dlm_lkb *lkb;
ktime_t zero = ktime_set(0, 0);
ktime_t zero = 0;
s64 us;
s64 debug_maxus = 0;
u32 debug_scanned = 0;

2
fs/gfs2/glock.c
View file

@ -695,7 +695,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
gl->gl_target = LM_ST_UNLOCKED;
gl->gl_demote_state = LM_ST_EXCLUSIVE;
gl->gl_ops = glops;
gl->gl_dstamp = ktime_set(0, 0);
gl->gl_dstamp = 0;
preempt_disable();
/* We use the global stats to estimate the initial per-glock stats */
gl->gl_stats = this_cpu_ptr(sdp->sd_lkstats)->lkstats[glops->go_type];

2
fs/timerfd.c
View file

@ -155,7 +155,7 @@ static ktime_t timerfd_get_remaining(struct timerfd_ctx *ctx)
else
remaining = hrtimer_expires_remaining_adjusted(&ctx->t.tmr);
return remaining < 0 ? ktime_set(0, 0): remaining;
return remaining < 0 ? 0: remaining;
}
static int timerfd_setup(struct timerfd_ctx *ctx, int flags,