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Merge branch 'uuid-types' of bombadil.infradead.org:public_git/uuid into nvme-base

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This commit is contained in:
Christoph Hellwig 2017-06-13 11:45:14 +02:00
commit fdd050b5b3
76 changed files with 373 additions and 500 deletions
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2
fs/gfs2/ops_fstype.c
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@ -203,7 +203,7 @@ static void gfs2_sb_in(struct gfs2_sbd *sdp, const void *buf)
memcpy(sb->sb_lockproto, str->sb_lockproto, GFS2_LOCKNAME_LEN);
memcpy(sb->sb_locktable, str->sb_locktable, GFS2_LOCKNAME_LEN);
memcpy(s->s_uuid, str->sb_uuid, 16);
memcpy(&s->s_uuid, str->sb_uuid, 16);
}
/**

22
fs/gfs2/sys.c
View file

@ -71,25 +71,14 @@ static ssize_t fsname_show(struct gfs2_sbd *sdp, char *buf)
return snprintf(buf, PAGE_SIZE, "%s\n", sdp->sd_fsname);
}
static int gfs2_uuid_valid(const u8 *uuid)
{
int i;
for (i = 0; i < 16; i++) {
if (uuid[i])
return 1;
}
return 0;
}
static ssize_t uuid_show(struct gfs2_sbd *sdp, char *buf)
{
struct super_block *s = sdp->sd_vfs;
const u8 *uuid = s->s_uuid;
buf[0] = '\0';
if (!gfs2_uuid_valid(uuid))
if (uuid_is_null(&s->s_uuid))
return 0;
return snprintf(buf, PAGE_SIZE, "%pUB\n", uuid);
return snprintf(buf, PAGE_SIZE, "%pUB\n", &s->s_uuid);
}
static ssize_t freeze_show(struct gfs2_sbd *sdp, char *buf)
@ -712,14 +701,13 @@ static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
{
struct gfs2_sbd *sdp = container_of(kobj, struct gfs2_sbd, sd_kobj);
struct super_block *s = sdp->sd_vfs;
const u8 *uuid = s->s_uuid;
add_uevent_var(env, "LOCKTABLE=%s", sdp->sd_table_name);
add_uevent_var(env, "LOCKPROTO=%s", sdp->sd_proto_name);
if (!test_bit(SDF_NOJOURNALID, &sdp->sd_flags))
add_uevent_var(env, "JOURNALID=%d", sdp->sd_lockstruct.ls_jid);
if (gfs2_uuid_valid(uuid))
add_uevent_var(env, "UUID=%pUB", uuid);
if (!uuid_is_null(&s->s_uuid))
add_uevent_var(env, "UUID=%pUB", &s->s_uuid);
return 0;
}