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| author | Andrew Morton <akpm@osdl.org> | 2006-03-25 03:06:53 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-25 08:22:50 -0800 |
| commit | e3df18983ea090a2e00dd5c2c6167bb431a0e0a2 (patch) | |
| tree | 99f7944da7c8c85eed6738c1ef9f357f7dcae928 | |
| parent | 1d9b7d97d6661edb44ce08f17e47c66d4ac20e34 (diff) | |
| download | kernel_samsung_tuna-e3df18983ea090a2e00dd5c2c6167bb431a0e0a2.zip kernel_samsung_tuna-e3df18983ea090a2e00dd5c2c6167bb431a0e0a2.tar.gz kernel_samsung_tuna-e3df18983ea090a2e00dd5c2c6167bb431a0e0a2.tar.bz2 | |
[PATCH] jbd: embed j_commit_timer in journal struct
The kjournald timer is currently on the kernel thread's stack and the journal
structure points at it. Save a pointer hop by moving the timer into the
journal structure.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | fs/jbd/journal.c | 19 | ||||
| -rw-r--r-- | fs/jbd/transaction.c | 4 | ||||
| -rw-r--r-- | include/linux/jbd.h | 4 |
3 files changed, 14 insertions, 13 deletions
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index 95a628d..6bd4647 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -111,18 +111,17 @@ static void commit_timeout(unsigned long __data) static int kjournald(void *arg) { - journal_t *journal = (journal_t *) arg; + journal_t *journal = arg; transaction_t *transaction; - struct timer_list timer; daemonize("kjournald"); - /* Set up an interval timer which can be used to trigger a - commit wakeup after the commit interval expires */ - init_timer(&timer); - timer.data = (unsigned long) current; - timer.function = commit_timeout; - journal->j_commit_timer = &timer; + /* + * Set up an interval timer which can be used to trigger a commit wakeup + * after the commit interval expires + */ + setup_timer(&journal->j_commit_timer, commit_timeout, + (unsigned long)current); /* Record that the journal thread is running */ journal->j_task = current; @@ -146,7 +145,7 @@ loop: if (journal->j_commit_sequence != journal->j_commit_request) { jbd_debug(1, "OK, requests differ\n"); spin_unlock(&journal->j_state_lock); - del_timer_sync(journal->j_commit_timer); + del_timer_sync(&journal->j_commit_timer); journal_commit_transaction(journal); spin_lock(&journal->j_state_lock); goto loop; @@ -203,7 +202,7 @@ loop: end_loop: spin_unlock(&journal->j_state_lock); - del_timer_sync(journal->j_commit_timer); + del_timer_sync(&journal->j_commit_timer); journal->j_task = NULL; wake_up(&journal->j_wait_done_commit); jbd_debug(1, "Journal thread exiting.\n"); diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c index 5fc4088..ada31fa 100644 --- a/fs/jbd/transaction.c +++ b/fs/jbd/transaction.c @@ -53,8 +53,8 @@ get_transaction(journal_t *journal, transaction_t *transaction) spin_lock_init(&transaction->t_handle_lock); /* Set up the commit timer for the new transaction. */ - journal->j_commit_timer->expires = transaction->t_expires; - add_timer(journal->j_commit_timer); + journal->j_commit_timer.expires = transaction->t_expires; + add_timer(&journal->j_commit_timer); J_ASSERT(journal->j_running_transaction == NULL); journal->j_running_transaction = transaction; diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 2ccbfb6..4fc7dff 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -29,6 +29,8 @@ #include <linux/stddef.h> #include <linux/bit_spinlock.h> #include <linux/mutex.h> +#include <linux/timer.h> + #include <asm/semaphore.h> #endif @@ -787,7 +789,7 @@ struct journal_s unsigned long j_commit_interval; /* The timer used to wakeup the commit thread: */ - struct timer_list *j_commit_timer; + struct timer_list j_commit_timer; /* * The revoke table: maintains the list of revoked blocks in the |