Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog

[linux-2.6-omap-h63xx.git] / fs / jbd / journal.c

diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 2fc66c3e66818830904603d2023b4bd4422963ed..46fe7439fb919b6c602e8e751e33cc42e94c1b8e 100644 (file)
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -1,5 +1,5 @@
 /*
- * linux/fs/journal.c
+ * linux/fs/jbd/journal.c
  *
  * Written by Stephen C. Tweedie <sct@redhat.com>, 1998
  *
@@ -28,10 +28,9 @@
 #include <linux/jbd.h>
 #include <linux/errno.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/mm.h>
-#include <linux/suspend.h>
+#include <linux/freezer.h>
 #include <linux/pagemap.h>
 #include <linux/kthread.h>
 #include <linux/poison.h>
@@ -211,10 +210,16 @@ end_loop:
        return 0;
 }
 
-static void journal_start_thread(journal_t *journal)
+static int journal_start_thread(journal_t *journal)
 {
-       kthread_run(kjournald, journal, "kjournald");
+       struct task_struct *t;
+
+       t = kthread_run(kjournald, journal, "kjournald");
+       if (IS_ERR(t))
+               return PTR_ERR(t);
+
        wait_event(journal->j_wait_done_commit, journal->j_task != 0);
+       return 0;
 }
 
 static void journal_kill_thread(journal_t *journal)
@@ -715,18 +720,8 @@ journal_t * journal_init_dev(struct block_device *bdev,
        if (!journal)
                return NULL;
 
-       journal->j_dev = bdev;
-       journal->j_fs_dev = fs_dev;
-       journal->j_blk_offset = start;
-       journal->j_maxlen = len;
-       journal->j_blocksize = blocksize;
-
-       bh = __getblk(journal->j_dev, start, journal->j_blocksize);
-       J_ASSERT(bh != NULL);
-       journal->j_sb_buffer = bh;
-       journal->j_superblock = (journal_superblock_t *)bh->b_data;
-
        /* journal descriptor can store up to n blocks -bzzz */
+       journal->j_blocksize = blocksize;
        n = journal->j_blocksize / sizeof(journal_block_tag_t);
        journal->j_wbufsize = n;
        journal->j_wbuf = kmalloc(n * sizeof(struct buffer_head*), GFP_KERNEL);
@@ -735,8 +730,18 @@ journal_t * journal_init_dev(struct block_device *bdev,
                        __FUNCTION__);
                kfree(journal);
                journal = NULL;
+               goto out;
        }
+       journal->j_dev = bdev;
+       journal->j_fs_dev = fs_dev;
+       journal->j_blk_offset = start;
+       journal->j_maxlen = len;
 
+       bh = __getblk(journal->j_dev, start, journal->j_blocksize);
+       J_ASSERT(bh != NULL);
+       journal->j_sb_buffer = bh;
+       journal->j_superblock = (journal_superblock_t *)bh->b_data;
+out:
        return journal;
 }
 
@@ -840,8 +845,7 @@ static int journal_reset(journal_t *journal)
 
        /* Add the dynamic fields and write it to disk. */
        journal_update_superblock(journal, 1);
-       journal_start_thread(journal);
-       return 0;
+       return journal_start_thread(journal);
 }
 
 /**
@@ -1630,7 +1634,7 @@ void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry)
 #define JBD_MAX_SLABS 5
 #define JBD_SLAB_INDEX(size)  (size >> 11)
 
-static kmem_cache_t *jbd_slab[JBD_MAX_SLABS];
+static struct kmem_cache *jbd_slab[JBD_MAX_SLABS];
 static const char *jbd_slab_names[JBD_MAX_SLABS] = {
        "jbd_1k", "jbd_2k", "jbd_4k", NULL, "jbd_8k"
 };
@@ -1693,7 +1697,7 @@ void jbd_slab_free(void *ptr,  size_t size)
 /*
  * Journal_head storage management
  */
-static kmem_cache_t *journal_head_cache;
+static struct kmem_cache *journal_head_cache;
 #ifdef CONFIG_JBD_DEBUG
 static atomic_t nr_journal_heads = ATOMIC_INIT(0);
 #endif
@@ -1996,7 +2000,7 @@ static void __exit remove_jbd_proc_entry(void)
 
 #endif
 
-kmem_cache_t *jbd_handle_cache;
+struct kmem_cache *jbd_handle_cache;
 
 static int __init journal_init_handle_cache(void)
 {