Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e8c5c045d790e7018c56f1a998a2d240b732ea3c
Commit:     e8c5c045d790e7018c56f1a998a2d240b732ea3c
Parent:     905f3ed62515f233fea09dc5ad68bbcff4903520
Author:     Al Viro <[EMAIL PROTECTED]>
AuthorDate: Wed Dec 13 00:35:03 2006 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Dec 13 09:05:52 2006 -0800

    [PATCH] lockd endianness annotations
    
    Annotated, all places switched to keeping status net-endian.
    
    Signed-off-by: Al Viro <[EMAIL PROTECTED]>
    Acked-by: Trond Myklebust <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
 fs/lockd/clntlock.c            |   10 +++++-----
 fs/lockd/clntproc.c            |   39 ++++++++++++++++++++-------------------
 fs/lockd/svclock.c             |    4 ++--
 fs/lockd/xdr.c                 |    8 ++++----
 fs/lockd/xdr4.c                |    8 ++++----
 fs/nfsd/lockd.c                |    2 +-
 include/linux/lockd/bind.h     |    2 +-
 include/linux/lockd/lockd.h    |    2 +-
 include/linux/lockd/sm_inter.h |    2 +-
 include/linux/lockd/xdr.h      |    8 ++++----
 10 files changed, 43 insertions(+), 42 deletions(-)

diff --git a/fs/lockd/clntlock.c b/fs/lockd/clntlock.c
index 92681c9..0627077 100644
--- a/fs/lockd/clntlock.c
+++ b/fs/lockd/clntlock.c
@@ -36,7 +36,7 @@ struct nlm_wait {
        struct nlm_host *       b_host;
        struct file_lock *      b_lock;         /* local file lock */
        unsigned short          b_reclaim;      /* got to reclaim lock */
-       u32                     b_status;       /* grant callback status */
+       __be32                  b_status;       /* grant callback status */
 };
 
 static LIST_HEAD(nlm_blocked);
@@ -53,7 +53,7 @@ struct nlm_wait *nlmclnt_prepare_block(struct nlm_host *host, 
struct file_lock *
                block->b_host = host;
                block->b_lock = fl;
                init_waitqueue_head(&block->b_wait);
-               block->b_status = NLM_LCK_BLOCKED;
+               block->b_status = nlm_lck_blocked;
                list_add(&block->b_list, &nlm_blocked);
        }
        return block;
@@ -89,7 +89,7 @@ int nlmclnt_block(struct nlm_wait *block, struct nlm_rqst 
*req, long timeout)
         * nlmclnt_lock for an explanation.
         */
        ret = wait_event_interruptible_timeout(block->b_wait,
-                       block->b_status != NLM_LCK_BLOCKED,
+                       block->b_status != nlm_lck_blocked,
                        timeout);
        if (ret < 0)
                return -ERESTARTSYS;
@@ -131,7 +131,7 @@ __be32 nlmclnt_grant(const struct sockaddr_in *addr, const 
struct nlm_lock *lock
                /* Alright, we found a lock. Set the return status
                 * and wake up the caller
                 */
-               block->b_status = NLM_LCK_GRANTED;
+               block->b_status = nlm_granted;
                wake_up(&block->b_wait);
                res = nlm_granted;
        }
@@ -211,7 +211,7 @@ restart:
        /* Now, wake up all processes that sleep on a blocked lock */
        list_for_each_entry(block, &nlm_blocked, b_list) {
                if (block->b_host == host) {
-                       block->b_status = NLM_LCK_DENIED_GRACE_PERIOD;
+                       block->b_status = nlm_lck_denied_grace_period;
                        wake_up(&block->b_wait);
                }
        }
diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 80a1a6d..0b4acc1 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -27,7 +27,7 @@
 static int     nlmclnt_test(struct nlm_rqst *, struct file_lock *);
 static int     nlmclnt_lock(struct nlm_rqst *, struct file_lock *);
 static int     nlmclnt_unlock(struct nlm_rqst *, struct file_lock *);
-static int     nlm_stat_to_errno(u32 stat);
+static int     nlm_stat_to_errno(__be32 stat);
 static void    nlmclnt_locks_init_private(struct file_lock *fl, struct 
nlm_host *host);
 static int     nlmclnt_cancel(struct nlm_host *, int , struct file_lock *);
 
@@ -325,7 +325,7 @@ nlmclnt_call(struct nlm_rqst *req, u32 proc)
                        }
                        break;
                } else
-               if (resp->status == NLM_LCK_DENIED_GRACE_PERIOD) {
+               if (resp->status == nlm_lck_denied_grace_period) {
                        dprintk("lockd: server in grace period\n");
                        if (argp->reclaim) {
                                printk(KERN_WARNING
@@ -411,10 +411,10 @@ nlmclnt_test(struct nlm_rqst *req, struct file_lock *fl)
                goto out;
 
        switch (req->a_res.status) {
-               case NLM_LCK_GRANTED:
+               case nlm_granted:
                        fl->fl_type = F_UNLCK;
                        break;
-               case NLM_LCK_DENIED:
+               case nlm_lck_denied:
                        /*
                         * Report the conflicting lock back to the application.
                         */
@@ -524,9 +524,9 @@ again:
                if (!req->a_args.block)
                        break;
                /* Did a reclaimer thread notify us of a server reboot? */
-               if (resp->status ==  NLM_LCK_DENIED_GRACE_PERIOD)
+               if (resp->status ==  nlm_lck_denied_grace_period)
                        continue;
-               if (resp->status != NLM_LCK_BLOCKED)
+               if (resp->status != nlm_lck_blocked)
                        break;
                /* Wait on an NLM blocking lock */
                status = nlmclnt_block(block, req, NLMCLNT_POLL_TIMEOUT);
@@ -535,11 +535,11 @@ again:
                 */
                if (status < 0)
                        goto out_unblock;
-               if (resp->status != NLM_LCK_BLOCKED)
+               if (resp->status != nlm_lck_blocked)
                        break;
        }
 
-       if (resp->status == NLM_LCK_GRANTED) {
+       if (resp->status == nlm_granted) {
                down_read(&host->h_rwsem);
                /* Check whether or not the server has rebooted */
                if (fl->fl_u.nfs_fl.state != host->h_state) {
@@ -556,7 +556,7 @@ again:
 out_unblock:
        nlmclnt_finish_block(block);
        /* Cancel the blocked request if it is still pending */
-       if (resp->status == NLM_LCK_BLOCKED)
+       if (resp->status == nlm_lck_blocked)
                nlmclnt_cancel(host, req->a_args.block, fl);
 out:
        nlm_release_call(req);
@@ -585,12 +585,12 @@ nlmclnt_reclaim(struct nlm_host *host, struct file_lock 
*fl)
        req->a_args.reclaim = 1;
 
        if ((status = nlmclnt_call(req, NLMPROC_LOCK)) >= 0
-        && req->a_res.status == NLM_LCK_GRANTED)
+        && req->a_res.status == nlm_granted)
                return 0;
 
        printk(KERN_WARNING "lockd: failed to reclaim lock for pid %d "
                                "(errno %d, status %d)\n", fl->fl_pid,
-                               status, req->a_res.status);
+                               status, ntohl(req->a_res.status));
 
        /*
         * FIXME: This is a serious failure. We can
@@ -637,10 +637,10 @@ nlmclnt_unlock(struct nlm_rqst *req, struct file_lock *fl)
        if (status < 0)
                goto out;
 
-       if (resp->status == NLM_LCK_GRANTED)
+       if (resp->status == nlm_granted)
                goto out;
 
-       if (resp->status != NLM_LCK_DENIED_NOLOCKS)
+       if (resp->status != nlm_lck_denied_nolocks)
                printk("lockd: unexpected unlock status: %d\n", resp->status);
        /* What to do now? I'm out of my depth... */
        status = -ENOLCK;
@@ -652,7 +652,7 @@ out:
 static void nlmclnt_unlock_callback(struct rpc_task *task, void *data)
 {
        struct nlm_rqst *req = data;
-       int             status = req->a_res.status;
+       u32 status = ntohl(req->a_res.status);
 
        if (RPC_ASSASSINATED(task))
                goto die;
@@ -720,6 +720,7 @@ static int nlmclnt_cancel(struct nlm_host *host, int block, 
struct file_lock *fl
 static void nlmclnt_cancel_callback(struct rpc_task *task, void *data)
 {
        struct nlm_rqst *req = data;
+       u32 status = ntohl(req->a_res.status);
 
        if (RPC_ASSASSINATED(task))
                goto die;
@@ -731,9 +732,9 @@ static void nlmclnt_cancel_callback(struct rpc_task *task, 
void *data)
        }
 
        dprintk("lockd: cancel status %u (task %u)\n",
-                       req->a_res.status, task->tk_pid);
+                       status, task->tk_pid);
 
-       switch (req->a_res.status) {
+       switch (status) {
        case NLM_LCK_GRANTED:
        case NLM_LCK_DENIED_GRACE_PERIOD:
        case NLM_LCK_DENIED:
@@ -744,7 +745,7 @@ static void nlmclnt_cancel_callback(struct rpc_task *task, 
void *data)
                goto retry_cancel;
        default:
                printk(KERN_NOTICE "lockd: weird return %d for CANCEL call\n",
-                       req->a_res.status);
+                       status);
        }
 
 die:
@@ -768,9 +769,9 @@ static const struct rpc_call_ops nlmclnt_cancel_ops = {
  * Convert an NLM status code to a generic kernel errno
  */
 static int
-nlm_stat_to_errno(u32 status)
+nlm_stat_to_errno(__be32 status)
 {
-       switch(status) {
+       switch(ntohl(status)) {
        case NLM_LCK_GRANTED:
                return 0;
        case NLM_LCK_DENIED:
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index 5c054b2..c7db0a5 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -645,7 +645,7 @@ static const struct rpc_call_ops nlmsvc_grant_ops = {
  * block.
  */
 void
-nlmsvc_grant_reply(struct nlm_cookie *cookie, u32 status)
+nlmsvc_grant_reply(struct nlm_cookie *cookie, __be32 status)
 {
        struct nlm_block        *block;
 
@@ -655,7 +655,7 @@ nlmsvc_grant_reply(struct nlm_cookie *cookie, u32 status)
                return;
 
        if (block) {
-               if (status == NLM_LCK_DENIED_GRACE_PERIOD) {
+               if (status == nlm_lck_denied_grace_period) {
                        /* Try again in a couple of seconds */
                        nlmsvc_insert_block(block, 10 * HZ);
                } else {
diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index b7c9492..34dae5d 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -361,7 +361,7 @@ nlmsvc_decode_res(struct svc_rqst *rqstp, __be32 *p, struct 
nlm_res *resp)
 {
        if (!(p = nlm_decode_cookie(p, &resp->cookie)))
                return 0;
-       resp->status = ntohl(*p++);
+       resp->status = *p++;
        return xdr_argsize_check(rqstp, p);
 }
 
@@ -407,8 +407,8 @@ nlmclt_decode_testres(struct rpc_rqst *req, __be32 *p, 
struct nlm_res *resp)
 {
        if (!(p = nlm_decode_cookie(p, &resp->cookie)))
                return -EIO;
-       resp->status = ntohl(*p++);
-       if (resp->status == NLM_LCK_DENIED) {
+       resp->status = *p++;
+       if (resp->status == nlm_lck_denied) {
                struct file_lock        *fl = &resp->lock.fl;
                u32                     excl;
                s32                     start, len, end;
@@ -506,7 +506,7 @@ nlmclt_decode_res(struct rpc_rqst *req, __be32 *p, struct 
nlm_res *resp)
 {
        if (!(p = nlm_decode_cookie(p, &resp->cookie)))
                return -EIO;
-       resp->status = ntohl(*p++);
+       resp->status = *p++;
        return 0;
 }
 
diff --git a/fs/lockd/xdr4.c b/fs/lockd/xdr4.c
index f4c0b2b..a782405 100644
--- a/fs/lockd/xdr4.c
+++ b/fs/lockd/xdr4.c
@@ -367,7 +367,7 @@ nlm4svc_decode_res(struct svc_rqst *rqstp, __be32 *p, 
struct nlm_res *resp)
 {
        if (!(p = nlm4_decode_cookie(p, &resp->cookie)))
                return 0;
-       resp->status = ntohl(*p++);
+       resp->status = *p++;
        return xdr_argsize_check(rqstp, p);
 }
 
@@ -413,8 +413,8 @@ nlm4clt_decode_testres(struct rpc_rqst *req, __be32 *p, 
struct nlm_res *resp)
 {
        if (!(p = nlm4_decode_cookie(p, &resp->cookie)))
                return -EIO;
-       resp->status = ntohl(*p++);
-       if (resp->status == NLM_LCK_DENIED) {
+       resp->status = *p++;
+       if (resp->status == nlm_lck_denied) {
                struct file_lock        *fl = &resp->lock.fl;
                u32                     excl;
                s64                     start, end, len;
@@ -512,7 +512,7 @@ nlm4clt_decode_res(struct rpc_rqst *req, __be32 *p, struct 
nlm_res *resp)
 {
        if (!(p = nlm4_decode_cookie(p, &resp->cookie)))
                return -EIO;
-       resp->status = ntohl(*p++);
+       resp->status = *p++;
        return 0;
 }
 
diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index 11fdaf7..221acd1 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -22,7 +22,7 @@
 /*
  * Note: we hold the dentry use count while the file is open.
  */
-static u32
+static __be32
 nlm_fopen(struct svc_rqst *rqstp, struct nfs_fh *f, struct file **filp)
 {
        __be32          nfserr;
diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index aa50d89..246de1d 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -23,7 +23,7 @@ struct svc_rqst;
  * This is the set of functions for lockd->nfsd communication
  */
 struct nlmsvc_binding {
-       u32                     (*fopen)(struct svc_rqst *,
+       __be32                  (*fopen)(struct svc_rqst *,
                                                struct nfs_fh *,
                                                struct file **);
        void                    (*fclose)(struct file *);
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index 0c962b8..ac25b56 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -191,7 +191,7 @@ __be32                nlmsvc_cancel_blocked(struct nlm_file 
*, struct nlm_lock *);
 unsigned long    nlmsvc_retry_blocked(void);
 void             nlmsvc_traverse_blocks(struct nlm_host *, struct nlm_file *,
                                        nlm_host_match_fn_t match);
-void             nlmsvc_grant_reply(struct nlm_cookie *, u32);
+void             nlmsvc_grant_reply(struct nlm_cookie *, __be32);
 
 /*
  * File handling for the server personality
diff --git a/include/linux/lockd/sm_inter.h b/include/linux/lockd/sm_inter.h
index fc61d40..22a6458 100644
--- a/include/linux/lockd/sm_inter.h
+++ b/include/linux/lockd/sm_inter.h
@@ -24,7 +24,7 @@
  * Arguments for all calls to statd
  */
 struct nsm_args {
-       u32             addr;           /* remote address */
+       __be32          addr;           /* remote address */
        u32             prog;           /* RPC callback info */
        u32             vers;
        u32             proc;
diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h
index 29e7d9f..83a1f9f 100644
--- a/include/linux/lockd/xdr.h
+++ b/include/linux/lockd/xdr.h
@@ -69,7 +69,7 @@ typedef struct nlm_args nlm_args;
  */
 struct nlm_res {
        struct nlm_cookie       cookie;
-       u32                     status;
+       __be32                  status;
        struct nlm_lock         lock;
 };
 
@@ -80,9 +80,9 @@ struct nlm_reboot {
        char *          mon;
        int             len;
        u32             state;
-       u32             addr;
-       u32             vers;
-       u32             proto;
+       __be32          addr;
+       __be32          vers;
+       __be32          proto;
 };
 
 /*
-
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