From e6a067c28f2a786f250d45a8d880ce2e53e090b5 Mon Sep 17 00:00:00 2001
From: pravins <pravins>
Date: Mon, 19 May 2008 15:27:17 +0000
Subject: [PATCH] b=14230 i=amit.sharma i=manoj.joseph

umds cleanup: use libcfs kmap api rather than kernel kmap apis.
---
 lustre/cmm/cmm_split.c   |  8 ++++----
 lustre/mdd/mdd_object.c  | 12 ++++++------
 lustre/mdt/mdt_handler.c | 13 ++++++-------
 3 files changed, 16 insertions(+), 17 deletions(-)

diff --git a/lustre/cmm/cmm_split.c b/lustre/cmm/cmm_split.c
index 33a9657..42ca592 100644
--- a/lustre/cmm/cmm_split.c
+++ b/lustre/cmm/cmm_split.c
@@ -480,7 +480,7 @@ static int cmm_split_remove_page(const struct lu_env *env,
         ENTRY;
 
         *len = 0;
-        kmap(rdpg->rp_pages[0]);
+        cfs_kmap(rdpg->rp_pages[0]);
         dp = page_address(rdpg->rp_pages[0]);
         for (ent = lu_dirent_start(dp);
              ent != NULL && le64_to_cpu(ent->lde_hash) < hash_end;
@@ -505,7 +505,7 @@ static int cmm_split_remove_page(const struct lu_env *env,
                 *len += sizeof(struct lu_dirpage);
         EXIT;
 unmap:
-        kunmap(rdpg->rp_pages[0]);
+        cfs_kunmap(rdpg->rp_pages[0]);
         return rc;
 }
 
@@ -584,13 +584,13 @@ static int cmm_split_process_stripe(const struct lu_env *env,
                         }
                 }
 
-                kmap(rdpg->rp_pages[0]);
+                cfs_kmap(rdpg->rp_pages[0]);
                 ldp = page_address(rdpg->rp_pages[0]);
                 if (le64_to_cpu(ldp->ldp_hash_end) >= end)
                         done = 1;
 
                 rdpg->rp_hash = le64_to_cpu(ldp->ldp_hash_end);
-                kunmap(rdpg->rp_pages[0]);
+                cfs_kunmap(rdpg->rp_pages[0]);
         } while (!done);
 
         RETURN(rc);
diff --git a/lustre/mdd/mdd_object.c b/lustre/mdd/mdd_object.c
index 38a1ceb..5e00c1c 100644
--- a/lustre/mdd/mdd_object.c
+++ b/lustre/mdd/mdd_object.c
@@ -1440,12 +1440,12 @@ static int __mdd_readpage(const struct lu_env *env, struct mdd_object *obj,
              i++, nob -= CFS_PAGE_SIZE) {
                 LASSERT(i < rdpg->rp_npages);
                 pg = rdpg->rp_pages[i];
-                rc = mdd_dir_page_build(env, !i, kmap(pg),
+                rc = mdd_dir_page_build(env, !i, cfs_kmap(pg),
                                         min_t(int, nob, CFS_PAGE_SIZE), iops,
                                         it, &hash_start, &hash_end, &last);
                 if (rc != 0 || i == rdpg->rp_npages - 1)
                         last->lde_reclen = 0;
-                kunmap(pg);
+                cfs_kunmap(pg);
         }
         if (rc > 0) {
                 /*
@@ -1457,7 +1457,7 @@ static int __mdd_readpage(const struct lu_env *env, struct mdd_object *obj,
         if (rc == 0) {
                 struct lu_dirpage *dp;
 
-                dp = kmap(rdpg->rp_pages[0]);
+                dp = cfs_kmap(rdpg->rp_pages[0]);
                 dp->ldp_hash_start = rdpg->rp_hash;
                 dp->ldp_hash_end   = hash_end;
                 if (i == 0)
@@ -1466,7 +1466,7 @@ static int __mdd_readpage(const struct lu_env *env, struct mdd_object *obj,
                          */
                         dp->ldp_flags |= LDF_EMPTY;
                 dp->ldp_flags = cpu_to_le16(dp->ldp_flags);
-                kunmap(rdpg->rp_pages[0]);
+                cfs_kunmap(rdpg->rp_pages[0]);
         }
         iops->put(env, it);
         iops->fini(env, it);
@@ -1504,13 +1504,13 @@ static int mdd_readpage(const struct lu_env *env, struct md_object *obj,
                 LASSERT(rdpg->rp_pages != NULL);
 
                 pg = rdpg->rp_pages[0];
-                dp = (struct lu_dirpage*)kmap(pg);
+                dp = (struct lu_dirpage*)cfs_kmap(pg);
                 memset(dp, 0 , sizeof(struct lu_dirpage));
                 dp->ldp_hash_start = rdpg->rp_hash;
                 dp->ldp_hash_end   = DIR_END_OFF;
                 dp->ldp_flags |= LDF_EMPTY;
                 dp->ldp_flags = cpu_to_le16(dp->ldp_flags);
-                kunmap(pg);
+                cfs_kunmap(pg);
                 GOTO(out_unlock, rc = 0);
         }
 
diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 850271a..1c5efc2 100644
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -1208,7 +1208,7 @@ static int mdt_write_dir_page(struct mdt_thread_info *info, struct page *page,
         ma->ma_attr.la_valid = LA_MODE;
         ma->ma_valid = MA_INODE;
 
-        kmap(page);
+        cfs_kmap(page);
         dp = page_address(page);
         offset = (int)((__u32)lu_dirent_start(dp) - (__u32)dp);
 
@@ -1251,7 +1251,7 @@ static int mdt_write_dir_page(struct mdt_thread_info *info, struct page *page,
         }
         EXIT;
 out:
-        kunmap(page);
+        cfs_kunmap(page);
         return rc;
 }
 
@@ -3792,7 +3792,7 @@ static void mdt_fini(const struct lu_env *env, struct mdt_device *m)
         sptlrpc_rule_set_free(&m->mdt_sptlrpc_rset);
 
         next->md_ops->mdo_init_capa_ctxt(env, next, 0, 0, 0, NULL);
-        del_timer(&m->mdt_ck_timer);
+        cfs_timer_disarm(&m->mdt_ck_timer);
         mdt_ck_thread_stop(m);
 
         /* finish the stack */
@@ -3991,9 +3991,8 @@ static int mdt_init0(const struct lu_env *env, struct mdt_device *m,
                 GOTO(err_free_ns, rc);
         }
 
-        m->mdt_ck_timer.function = mdt_ck_timer_callback;
-        m->mdt_ck_timer.data = (unsigned long)m;
-        init_timer(&m->mdt_ck_timer);
+        cfs_timer_init(&m->mdt_ck_timer, mdt_ck_timer_callback, m);
+
         rc = mdt_ck_thread_start(m);
         if (rc)
                 GOTO(err_free_ns, rc);
@@ -4031,7 +4030,7 @@ err_fs_cleanup:
         target_recovery_fini(obd);
         mdt_fs_cleanup(env, m);
 err_capa:
-        del_timer(&m->mdt_ck_timer);
+        cfs_timer_disarm(&m->mdt_ck_timer);
         mdt_ck_thread_stop(m);
 err_free_ns:
         upcall_cache_cleanup(m->mdt_identity_cache);
-- 
1.8.3.1