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[PATCH] jbd2: rename jbd2 symbols to avoid duplication of jbd symbols
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Mingming Cao originally did this work, and Shaggy reproduced it using some
scripts from her.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Mingming Cao authored and Linus Torvalds committed Oct 11, 2006
1 parent 470decc commit f7f4bcc
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Showing 9 changed files with 672 additions and 672 deletions.
4 changes: 2 additions & 2 deletions fs/jbd2/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,6 @@
# Makefile for the linux journaling routines.
#

obj-$(CONFIG_JBD) += jbd.o
obj-$(CONFIG_JBD2) += jbd2.o

jbd-objs := transaction.o commit.o recovery.o checkpoint.o revoke.o journal.o
jbd2-objs := transaction.o commit.o recovery.o checkpoint.o revoke.o journal.o
54 changes: 27 additions & 27 deletions fs/jbd2/checkpoint.c
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@

#include <linux/time.h>
#include <linux/fs.h>
#include <linux/jbd.h>
#include <linux/jbd2.h>
#include <linux/errno.h>
#include <linux/slab.h>

Expand Down Expand Up @@ -95,9 +95,9 @@ static int __try_to_free_cp_buf(struct journal_head *jh)

if (jh->b_jlist == BJ_None && !buffer_locked(bh) && !buffer_dirty(bh)) {
JBUFFER_TRACE(jh, "remove from checkpoint list");
ret = __journal_remove_checkpoint(jh) + 1;
ret = __jbd2_journal_remove_checkpoint(jh) + 1;
jbd_unlock_bh_state(bh);
journal_remove_journal_head(bh);
jbd2_journal_remove_journal_head(bh);
BUFFER_TRACE(bh, "release");
__brelse(bh);
} else {
Expand All @@ -107,19 +107,19 @@ static int __try_to_free_cp_buf(struct journal_head *jh)
}

/*
* __log_wait_for_space: wait until there is space in the journal.
* __jbd2_log_wait_for_space: wait until there is space in the journal.
*
* Called under j-state_lock *only*. It will be unlocked if we have to wait
* for a checkpoint to free up some space in the log.
*/
void __log_wait_for_space(journal_t *journal)
void __jbd2_log_wait_for_space(journal_t *journal)
{
int nblocks;
assert_spin_locked(&journal->j_state_lock);

nblocks = jbd_space_needed(journal);
while (__log_space_left(journal) < nblocks) {
if (journal->j_flags & JFS_ABORT)
while (__jbd2_log_space_left(journal) < nblocks) {
if (journal->j_flags & JBD2_ABORT)
return;
spin_unlock(&journal->j_state_lock);
mutex_lock(&journal->j_checkpoint_mutex);
Expand All @@ -130,9 +130,9 @@ void __log_wait_for_space(journal_t *journal)
*/
spin_lock(&journal->j_state_lock);
nblocks = jbd_space_needed(journal);
if (__log_space_left(journal) < nblocks) {
if (__jbd2_log_space_left(journal) < nblocks) {
spin_unlock(&journal->j_state_lock);
log_do_checkpoint(journal);
jbd2_log_do_checkpoint(journal);
spin_lock(&journal->j_state_lock);
}
mutex_unlock(&journal->j_checkpoint_mutex);
Expand Down Expand Up @@ -198,9 +198,9 @@ static void __wait_cp_io(journal_t *journal, transaction_t *transaction)
* Now in whatever state the buffer currently is, we know that
* it has been written out and so we can drop it from the list
*/
released = __journal_remove_checkpoint(jh);
released = __jbd2_journal_remove_checkpoint(jh);
jbd_unlock_bh_state(bh);
journal_remove_journal_head(bh);
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
}
}
Expand Down Expand Up @@ -252,16 +252,16 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,

spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
log_start_commit(journal, tid);
log_wait_commit(journal, tid);
jbd2_log_start_commit(journal, tid);
jbd2_log_wait_commit(journal, tid);
ret = 1;
} else if (!buffer_dirty(bh)) {
J_ASSERT_JH(jh, !buffer_jbddirty(bh));
BUFFER_TRACE(bh, "remove from checkpoint");
__journal_remove_checkpoint(jh);
__jbd2_journal_remove_checkpoint(jh);
spin_unlock(&journal->j_list_lock);
jbd_unlock_bh_state(bh);
journal_remove_journal_head(bh);
jbd2_journal_remove_journal_head(bh);
__brelse(bh);
ret = 1;
} else {
Expand Down Expand Up @@ -296,7 +296,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
*
* The journal should be locked before calling this function.
*/
int log_do_checkpoint(journal_t *journal)
int jbd2_log_do_checkpoint(journal_t *journal)
{
transaction_t *transaction;
tid_t this_tid;
Expand All @@ -309,7 +309,7 @@ int log_do_checkpoint(journal_t *journal)
* don't need checkpointing, just eliminate them from the
* journal straight away.
*/
result = cleanup_journal_tail(journal);
result = jbd2_cleanup_journal_tail(journal);
jbd_debug(1, "cleanup_journal_tail returned %d\n", result);
if (result <= 0)
return result;
Expand Down Expand Up @@ -374,7 +374,7 @@ int log_do_checkpoint(journal_t *journal)
}
out:
spin_unlock(&journal->j_list_lock);
result = cleanup_journal_tail(journal);
result = jbd2_cleanup_journal_tail(journal);
if (result < 0)
return result;
return 0;
Expand All @@ -397,7 +397,7 @@ int log_do_checkpoint(journal_t *journal)
* we have an abort error outstanding.
*/

int cleanup_journal_tail(journal_t *journal)
int jbd2_cleanup_journal_tail(journal_t *journal)
{
transaction_t * transaction;
tid_t first_tid;
Expand Down Expand Up @@ -452,8 +452,8 @@ int cleanup_journal_tail(journal_t *journal)
journal->j_tail_sequence = first_tid;
journal->j_tail = blocknr;
spin_unlock(&journal->j_state_lock);
if (!(journal->j_flags & JFS_ABORT))
journal_update_superblock(journal, 1);
if (!(journal->j_flags & JBD2_ABORT))
jbd2_journal_update_superblock(journal, 1);
return 0;
}

Expand Down Expand Up @@ -518,7 +518,7 @@ static int journal_clean_one_cp_list(struct journal_head *jh, int *released)
* Returns number of buffers reaped (for debug)
*/

int __journal_clean_checkpoint_list(journal_t *journal)
int __jbd2_journal_clean_checkpoint_list(journal_t *journal)
{
transaction_t *transaction, *last_transaction, *next_transaction;
int ret = 0;
Expand Down Expand Up @@ -578,7 +578,7 @@ int __journal_clean_checkpoint_list(journal_t *journal)
* This function is called with jbd_lock_bh_state(jh2bh(jh))
*/

int __journal_remove_checkpoint(struct journal_head *jh)
int __jbd2_journal_remove_checkpoint(struct journal_head *jh)
{
transaction_t *transaction;
journal_t *journal;
Expand Down Expand Up @@ -607,7 +607,7 @@ int __journal_remove_checkpoint(struct journal_head *jh)
* dropped!
*
* The locking here around j_committing_transaction is a bit sleazy.
* See the comment at the end of journal_commit_transaction().
* See the comment at the end of jbd2_journal_commit_transaction().
*/
if (transaction == journal->j_committing_transaction) {
JBUFFER_TRACE(jh, "belongs to committing transaction");
Expand All @@ -617,7 +617,7 @@ int __journal_remove_checkpoint(struct journal_head *jh)
/* OK, that was the last buffer for the transaction: we can now
safely remove this transaction from the log */

__journal_drop_transaction(journal, transaction);
__jbd2_journal_drop_transaction(journal, transaction);

/* Just in case anybody was waiting for more transactions to be
checkpointed... */
Expand All @@ -636,7 +636,7 @@ int __journal_remove_checkpoint(struct journal_head *jh)
* Called with the journal locked.
* Called with j_list_lock held.
*/
void __journal_insert_checkpoint(struct journal_head *jh,
void __jbd2_journal_insert_checkpoint(struct journal_head *jh,
transaction_t *transaction)
{
JBUFFER_TRACE(jh, "entry");
Expand Down Expand Up @@ -666,7 +666,7 @@ void __journal_insert_checkpoint(struct journal_head *jh,
* Called with j_list_lock held.
*/

void __journal_drop_transaction(journal_t *journal, transaction_t *transaction)
void __jbd2_journal_drop_transaction(journal_t *journal, transaction_t *transaction)
{
assert_spin_locked(&journal->j_list_lock);
if (transaction->t_cpnext) {
Expand Down
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