diff options
Diffstat (limited to 'libdiskfs/node-times.c')
| -rw-r--r-- | libdiskfs/node-times.c | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/libdiskfs/node-times.c b/libdiskfs/node-times.c index 720c85e0..67f0142e 100644 --- a/libdiskfs/node-times.c +++ b/libdiskfs/node-times.c @@ -1,5 +1,7 @@ -/* - Copyright (C) 1994, 1996 Free Software Foundation +/* Process st_?tim updates marked for a diskfs node. + + Copyright (C) 1994, 1996, 1999, 2000, 2007, 2009 Free Software Foundation, + Inc. This file is part of the GNU Hurd. @@ -8,7 +10,7 @@ it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. -The GNU Hurd is distributed in the hope that it will be useful, +The GNU Hurd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -22,47 +24,51 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include "priv.h" #include <maptime.h> -/* If NP->dn_set_ctime is set, then modify NP->dn_stat.st_ctime +/* If disk is not readonly and the noatime option is not enabled, set + NP->dn_set_atime. */ +void +diskfs_set_node_atime (struct node *np) +{ + if (!_diskfs_noatime && !diskfs_check_readonly ()) + np->dn_set_atime = 1; +} + +/* If NP->dn_set_ctime is set, then modify NP->dn_stat.st_ctim appropriately; do the analogous operation for atime and mtime as well. */ void diskfs_set_node_times (struct node *np) { struct timeval t; + if (!np->dn_set_mtime && !np->dn_set_atime && !np->dn_set_ctime) + return; + maptime_read (diskfs_mtime, &t); + /* We are careful to test and reset each of these individually, so there + is no race condition where a dn_set_?time flag setting gets lost. It + is not a problem to have the kind of race where the flag is set after + we've tested it and done nothing--as long as the flag remains set so + the update will happen at the next call. */ if (np->dn_set_mtime) { -#ifdef notyet - np->dn_stat.st_mtimespec.ts_sec = t.tv_sec; - np->dn_stat.st_mtimespec.ts_nsec = t.tv_usec * 1000; -#else - np->dn_stat.st_mtime = t.tv_sec; - np->dn_stat.st_mtime_usec = t.tv_usec; -#endif + np->dn_stat.st_mtim.tv_sec = t.tv_sec; + np->dn_stat.st_mtim.tv_nsec = t.tv_usec * 1000; + np->dn_stat_dirty = 1; + np->dn_set_mtime = 0; } if (np->dn_set_atime) { -#ifdef notyet - np->dn_stat.st_atimespec.ts_sec = t.tv_sec; - np->dn_stat.st_atimespec.ts_nsec = t.tv_usec * 1000; -#else - np->dn_stat.st_atime = t.tv_sec; - np->dn_stat.st_atime_usec = t.tv_usec; -#endif + np->dn_stat.st_atim.tv_sec = t.tv_sec; + np->dn_stat.st_atim.tv_nsec = t.tv_usec * 1000; + np->dn_stat_dirty = 1; + np->dn_set_atime = 0; } if (np->dn_set_ctime) { -#ifdef notyet - np->dn_stat.st_ctimespec.ts_sec = t.tv_sec; - np->dn_stat.st_ctimespec.ts_nsec = t.tv_usec * 1000; -#else - np->dn_stat.st_ctime = t.tv_sec; - np->dn_stat.st_ctime_usec = t.tv_usec; -#endif + np->dn_stat.st_ctim.tv_sec = t.tv_sec; + np->dn_stat.st_ctim.tv_nsec = t.tv_usec * 1000; + np->dn_stat_dirty = 1; + np->dn_set_ctime = 0; } - - if (np->dn_set_mtime || np->dn_set_atime || np->dn_set_ctime) - np->dn_stat_dirty = 1; - np->dn_set_mtime = np->dn_set_atime = np->dn_set_ctime = 0; } |