From da5b44eaf131c748caeedf59b3dc9e42b94c82f0 Mon Sep 17 00:00:00 2001 From: Ryan Jeffrey Date: Wed, 30 Sep 2020 21:19:52 +0200 Subject: libdiskfs: Add relatime support * doc/hurd.texi (diskfs_set_node_atime): Document relatime behavior. * libdiskfs/diskfs.h (diskfs_set_node_atime): Likewise. * libdiskfs/init-init.c (_diskfs_relatime): Add variable. * libdiskfs/file-statfs.c (ST_RELATIME): Define if not defined already. (diskfs_S_file_statfs): Report ST_RELATIME when _diskfs_relatime is set. * libdiskfs/node-times.c (atime_should_update): New function. (diskfs_set_node_atime): Document relatime behavior. Call atime_should_update instead of reading _diskfs_noatime. * libdiskfs/opts-common.c (diskfs_common_options): Add --strictatime and -R/--relatime options. * libdiskfs/opts-std-runtime.c (struct parse_hook): Add relatime field. (set_opts): Set _diskfs_relatime from relatime field. (parse_opt): Parse -R option. * libdiskfs/opts-std-startup.c (parse_startup_opt): Parse -R option. * libdiskfs/priv.h (_diskfs_relatime): Declare variable. (atime_should_update): Declare function. * libdiskfs/opts-append-std.c (diskfs_append_std_options): Add reporting --relatime option. * libdiskfs/conch-fetch.c (iohelp_fetch_shared_data): Call atime_should_update instead of reading _diskfs_noatime. * libdiskfs/rdwr-internal.c (_diskfs_rdwr_internal): Likewise. --- libdiskfs/diskfs.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'libdiskfs/diskfs.h') diff --git a/libdiskfs/diskfs.h b/libdiskfs/diskfs.h index dfccf880..2390c64d 100644 --- a/libdiskfs/diskfs.h +++ b/libdiskfs/diskfs.h @@ -1046,7 +1046,9 @@ error_t diskfs_init_dir (struct node *dp, struct node *pdp, struct protid *cred); /* If disk is not readonly and the noatime option is not enabled, set - NP->dn_set_atime. */ + NP->dn_set_atime. If relatime is enabled, only set NP->dn_set_atime + if the atime has not been updated today, or if ctime or mtime are + more recent than atime */ void diskfs_set_node_atime (struct node *np); /* If NP->dn_set_ctime is set, then modify NP->dn_stat.st_ctim -- cgit v1.2.3