diff options
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 2c471af..a9e17f1 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -280,8 +280,25 @@ static enum { SYNCER_RUNNING, SYNCER_SHUTTING_DOWN, SYNCER_FINAL_DELAY } * XXX desiredvnodes is historical cruft and should not exist. */ int desiredvnodes; -SYSCTL_INT(_kern, KERN_MAXVNODES, maxvnodes, CTLFLAG_RW, - &desiredvnodes, 0, "Maximum number of vnodes"); + +static int +sysctl_update_desiredvnodes(SYSCTL_HANDLER_ARGS) +{ + int error, old_desiredvnodes; + + old_desiredvnodes = desiredvnodes; + if ((error = sysctl_handle_int(oidp, arg1, arg2, req)) != 0) + return (error); + if (old_desiredvnodes != desiredvnodes) { + vfs_hash_changesize(desiredvnodes); + cache_changesize(desiredvnodes); + } + return (0); +} + +SYSCTL_PROC(_kern, KERN_MAXVNODES, maxvnodes, + CTLTYPE_INT | CTLFLAG_MPSAFE | CTLFLAG_RW, &desiredvnodes, 0, + sysctl_update_desiredvnodes, "I", "Maximum number of vnodes"); SYSCTL_ULONG(_kern, OID_AUTO, minvnodes, CTLFLAG_RW, &wantfreevnodes, 0, "Minimum number of vnodes (legacy)"); static int vnlru_nowhere; |
