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authorSteven Whitehouse <swhiteho@redhat.com>2009-07-31 11:07:29 +0100
committerSteven Whitehouse <swhiteho@redhat.com>2009-08-17 11:04:42 +0100
commit8633ecfaba4ce53c094f8db92dbd7ac474a7aa36 (patch)
treebadd46586f0d33184e42e3091f510c21f063d7de /fs/gfs2/ops_fstype.c
parent894ef820b10d77e2d6d717342fc408bdd9825139 (diff)
downloadconfigs-8633ecfaba4ce53c094f8db92dbd7ac474a7aa36.tar.gz
GFS2: Add online uevent to GFS2
We already have an offline uevent (used when a withdraw occurs) but no online uevent. This adds an online uevent so that userspace will be able to detect a successful mount by means other than not receiving a remove event after the add & recovery (change) uevents. It has also been added to the remount path as well - we can't use a change uevent there as older GFS2 userspace acts on change uevents according to the state that it thinks the fs is in, so we can't easily add any new ones. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/ops_fstype.c')
-rw-r--r--fs/gfs2/ops_fstype.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 7bc3c45cd67..39021c02017 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1133,6 +1133,17 @@ void gfs2_lm_unmount(struct gfs2_sbd *sdp)
lm->lm_unmount(sdp);
}
+void gfs2_online_uevent(struct gfs2_sbd *sdp)
+{
+ struct super_block *sb = sdp->sd_vfs;
+ char ro[20];
+ char spectator[20];
+ char *envp[] = { ro, spectator, NULL };
+ sprintf(ro, "RDONLY=%d", (sb->s_flags & MS_RDONLY) ? 1 : 0);
+ sprintf(spectator, "SPECTATOR=%d", sdp->sd_args.ar_spectator ? 1 : 0);
+ kobject_uevent_env(&sdp->sd_kobj, KOBJ_ONLINE, envp);
+}
+
/**
* fill_super - Read in superblock
* @sb: The VFS superblock
@@ -1236,7 +1247,7 @@ static int fill_super(struct super_block *sb, void *data, int silent)
}
gfs2_glock_dq_uninit(&mount_gh);
-
+ gfs2_online_uevent(sdp);
return 0;
fail_threads: