xnu-1228.7.58.tar.gz

[apple/xnu.git] / bsd / man / man2 / getfsstat.2

diff --git a/bsd/man/man2/getfsstat.2 b/bsd/man/man2/getfsstat.2
index 525f6a04fce98997b7beb80cce8f4731c20fb5b2..cdc2e2586994b682edba162a227dcb2fef3dd3b8 100644 (file)
--- a/bsd/man/man2/getfsstat.2
+++ b/bsd/man/man2/getfsstat.2
@@ -44,7 +44,7 @@
 .Fd #include <sys/ucred.h>
 .Fd #include <sys/mount.h>
 .Ft int
-.Fn getfsstat "struct statfs *buf" "long bufsize" "int flags"
+.Fn getfsstat "struct statfs *buf" "int bufsize" "int flags"
 .Sh DESCRIPTION
 .Fn Getfsstat
 returns information about all mounted file systems.
@@ -95,21 +95,22 @@ is given as NULL,
 .Fn getfsstat
 returns just the number of mounted file systems.
 .Pp
-Normally
-.Fa flags
-should be specified as
-.Dv MNT_WAIT .
 If
 .Fa flags
 is set to
 .Dv MNT_NOWAIT ,
 .Fn getfsstat
-will return the information it has available without requesting
-an update from each file system.
-Thus, some of the information will be out of date, but
+will directly return the information retained in the kernel
+to avoid delays caused by waiting for updated information from
+a file system that is perhaps temporarily unable to respond.
+Some of the information returned may be out of date, however; if
+.Fa flags
+is set to
+.Dv MNT_WAIT
+instead,
 .Fn getfsstat
-will not block waiting for information from a file system that is
-unable to respond.
+will request updated information from each mounted filesystem before
+returning.
 .Sh RETURN VALUES
 Upon successful completion, the number of 
 .Fa statfs