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| author | david m. richter <richterd@citi.umich.edu> | 2007-08-07 19:52:50 -0400 |
|---|---|---|
| committer | Neil Brown <neilb@suse.de> | 2007-08-09 11:08:28 +1000 |
| commit | 2357159ef3896a2f8d3fd74fb5d97a9a7d42986b (patch) | |
| tree | 348da1221e5f82260c18de990f3046eb4b828721 /utils/nfsstat/nfsstat.c | |
| parent | b5c12733e88b04f5bc269546169ad91079c61783 (diff) | |
| download | nfs-utils-2357159ef3896a2f8d3fd74fb5d97a9a7d42986b.tar.gz nfs-utils-2357159ef3896a2f8d3fd74fb5d97a9a7d42986b.tar.xz nfs-utils-2357159ef3896a2f8d3fd74fb5d97a9a7d42986b.zip | |
nfsstat: add a comment to has_stats()
Clarify what has_stats() is actually doing.
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'utils/nfsstat/nfsstat.c')
| -rw-r--r-- | utils/nfsstat/nfsstat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/utils/nfsstat/nfsstat.c b/utils/nfsstat/nfsstat.c index d27624e..eb6e45d 100644 --- a/utils/nfsstat/nfsstat.c +++ b/utils/nfsstat/nfsstat.c @@ -638,10 +638,16 @@ get_stats(const char *file, statinfo *info, int *opt, int other_opt, const char } } +/* + * This is for proc2/3/4-type stats, where, in the /proc files, the first entry's value + * denotes the number of subsequent entries. statinfo value arrays contain an additional + * field at the end which contains the sum of all previous elements in the array -- so, + * there are stats if the sum's greater than the entry-count. + */ static int has_stats(const unsigned int *info) { - return (info[0] && info[info[0] + 1] != info[0]); + return (info[0] && info[info[0] + 1] > info[0]); } /* clone 'src' to 'dest' */ |