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When getting mount information for all filesystems, mount uses the

Browse source 
getfsstat(2) system call using the MNT_NOWAIT flag to indicate that
it wants to use the statfs information cached in the mount structure.
When the -v (verbose) flag is specified, we need to use the MNT_WAIT
flag to getfsstat(2) so that kernel will call VFS_STATFS to get the
current statfs statistics from each filesystem.

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This commit is contained in:
Kirk McKusick 2018-08-07 21:17:45 +00:00
parent 8f94195022
commit 4818bd986c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=337437
1 changed files with 2 additions and 1 deletions
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3
sbin/mount/mount.c
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@ -329,7 +329,8 @@ main(int argc, char *argv[])
rval = 0;
switch (argc) {
case 0:
if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0)
if ((mntsize = getmntinfo(&mntbuf,
verbose ? MNT_WAIT : MNT_NOWAIT)) == 0)
err(1, "getmntinfo");
if (all) {
while ((fs = getfsent()) != NULL) {