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authorAl Viro <viro@zeniv.linux.org.uk>2008-01-25 02:34:00 -0500
committerDavid Teigland <teigland@redhat.com>2008-02-04 01:23:43 -0600
commit93ff2971e99c90d1c4d39d242ef6050d2dc853d3 (patch)
tree215da29d7087d4b3875285b85043056397dd050b /fs/dlm
parent163a1859ec6c4c33547bf4613efabf52031566aa (diff)
downloadlwn-93ff2971e99c90d1c4d39d242ef6050d2dc853d3.tar.gz
lwn-93ff2971e99c90d1c4d39d242ef6050d2dc853d3.zip
dlm: do not byteswap rcom_config
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm')
-rw-r--r--fs/dlm/dlm_internal.h6
-rw-r--r--fs/dlm/rcom.c15
-rw-r--r--fs/dlm/util.c20
3 files changed, 11 insertions, 30 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index e73b988995f5..187a5b5b28b6 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -410,9 +410,9 @@ union dlm_packet {
};
struct rcom_config {
- uint32_t rf_lvblen;
- uint32_t rf_lsflags;
- uint64_t rf_unused;
+ __le32 rf_lvblen;
+ __le32 rf_lsflags;
+ __le64 rf_unused;
};
struct rcom_lock {
diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c
index 86c1ab99208e..fb0776201d73 100644
--- a/fs/dlm/rcom.c
+++ b/fs/dlm/rcom.c
@@ -78,8 +78,8 @@ static void send_rcom(struct dlm_ls *ls, struct dlm_mhandle *mh,
static void make_config(struct dlm_ls *ls, struct rcom_config *rf)
{
- rf->rf_lvblen = ls->ls_lvblen;
- rf->rf_lsflags = ls->ls_exflags;
+ rf->rf_lvblen = cpu_to_le32(ls->ls_lvblen);
+ rf->rf_lsflags = cpu_to_le32(ls->ls_exflags);
}
static int check_config(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
@@ -93,11 +93,12 @@ static int check_config(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
return -EPROTO;
}
- if (rf->rf_lvblen != ls->ls_lvblen ||
- rf->rf_lsflags != ls->ls_exflags) {
+ if (le32_to_cpu(rf->rf_lvblen) != ls->ls_lvblen ||
+ le32_to_cpu(rf->rf_lsflags) != ls->ls_exflags) {
log_error(ls, "config mismatch: %d,%x nodeid %d: %d,%x",
- ls->ls_lvblen, ls->ls_exflags,
- nodeid, rf->rf_lvblen, rf->rf_lsflags);
+ ls->ls_lvblen, ls->ls_exflags, nodeid,
+ le32_to_cpu(rf->rf_lvblen),
+ le32_to_cpu(rf->rf_lsflags));
return -EPROTO;
}
return 0;
@@ -401,7 +402,7 @@ int dlm_send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in)
rc->rc_result = -ESRCH;
rf = (struct rcom_config *) rc->rc_buf;
- rf->rf_lvblen = -1;
+ rf->rf_lvblen = cpu_to_le32(~0U);
dlm_rcom_out(rc);
dlm_lowcomms_commit_buffer(mh);
diff --git a/fs/dlm/util.c b/fs/dlm/util.c
index d3ed6da0b650..e36520af7cc0 100644
--- a/fs/dlm/util.c
+++ b/fs/dlm/util.c
@@ -131,22 +131,8 @@ void dlm_message_in(struct dlm_message *ms)
ms->m_result = from_dlm_errno(le32_to_cpu(ms->m_result));
}
-static void rcom_config_out(struct rcom_config *rf)
-{
- rf->rf_lvblen = cpu_to_le32(rf->rf_lvblen);
- rf->rf_lsflags = cpu_to_le32(rf->rf_lsflags);
-}
-
-static void rcom_config_in(struct rcom_config *rf)
-{
- rf->rf_lvblen = le32_to_cpu(rf->rf_lvblen);
- rf->rf_lsflags = le32_to_cpu(rf->rf_lsflags);
-}
-
void dlm_rcom_out(struct dlm_rcom *rc)
{
- int type = rc->rc_type;
-
header_out(&rc->rc_header);
rc->rc_type = cpu_to_le32(rc->rc_type);
@@ -154,9 +140,6 @@ void dlm_rcom_out(struct dlm_rcom *rc)
rc->rc_id = cpu_to_le64(rc->rc_id);
rc->rc_seq = cpu_to_le64(rc->rc_seq);
rc->rc_seq_reply = cpu_to_le64(rc->rc_seq_reply);
-
- if (type == DLM_RCOM_STATUS_REPLY)
- rcom_config_out((struct rcom_config *) rc->rc_buf);
}
void dlm_rcom_in(struct dlm_rcom *rc)
@@ -168,7 +151,4 @@ void dlm_rcom_in(struct dlm_rcom *rc)
rc->rc_id = le64_to_cpu(rc->rc_id);
rc->rc_seq = le64_to_cpu(rc->rc_seq);
rc->rc_seq_reply = le64_to_cpu(rc->rc_seq_reply);
-
- if (rc->rc_type == DLM_RCOM_STATUS_REPLY)
- rcom_config_in((struct rcom_config *) rc->rc_buf);
}