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authorIngo Molnar <mingo@elte.hu>2008-10-24 12:48:46 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-24 12:48:46 +0200
commit8c82a17e9c924c0e9f13e75e4c2f6bca19a4b516 (patch)
treed535f46a917e14e90deccb29ad00aac016ad18dd /fs/jbd2
parent4ce72a2c063a7fa8e42a9435440ae3364115a58d (diff)
parent57f8f7b60db6f1ed2c6918ab9230c4623a9dbe37 (diff)
Merge commit 'v2.6.28-rc1' into sched/urgent
Diffstat (limited to 'fs/jbd2')
-rw-r--r--fs/jbd2/Kconfig33
-rw-r--r--fs/jbd2/commit.c3
-rw-r--r--fs/jbd2/transaction.c1
3 files changed, 37 insertions, 0 deletions
diff --git a/fs/jbd2/Kconfig b/fs/jbd2/Kconfig
new file mode 100644
index 000000000000..f32f346f4b0a
--- /dev/null
+++ b/fs/jbd2/Kconfig
@@ -0,0 +1,33 @@
+config JBD2
+ tristate
+ select CRC32
+ help
+ This is a generic journaling layer for block devices that support
+ both 32-bit and 64-bit block numbers. It is currently used by
+ the ext4 and OCFS2 filesystems, but it could also be used to add
+ journal support to other file systems or block devices such
+ as RAID or LVM.
+
+ If you are using ext4 or OCFS2, you need to say Y here.
+ If you are not using ext4 or OCFS2 then you will
+ probably want to say N.
+
+ To compile this device as a module, choose M here. The module will be
+ called jbd2. If you are compiling ext4 or OCFS2 into the kernel,
+ you cannot compile this code as a module.
+
+config JBD2_DEBUG
+ bool "JBD2 (ext4) debugging support"
+ depends on JBD2 && DEBUG_FS
+ help
+ If you are using the ext4 journaled file system (or
+ potentially any other filesystem/device using JBD2), this option
+ allows you to enable debugging output while the system is running,
+ in order to help track down any problems you are having.
+ By default, the debugging output will be turned off.
+
+ If you select Y here, then you will be able to turn on debugging
+ with "echo N > /sys/kernel/debug/jbd2/jbd2-debug", where N is a
+ number between 1 and 5. The higher the number, the more debugging
+ output is generated. To turn debugging off again, do
+ "echo 0 > /sys/kernel/debug/jbd2/jbd2-debug".
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 0abe02c4242a..8b119e16aa36 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -995,6 +995,9 @@ restart_loop:
}
spin_unlock(&journal->j_list_lock);
+ if (journal->j_commit_callback)
+ journal->j_commit_callback(journal, commit_transaction);
+
trace_mark(jbd2_end_commit, "dev %s transaction %d head %d",
journal->j_devname, commit_transaction->t_tid,
journal->j_tail_sequence);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index e5d540588fa9..39b7805a599a 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -52,6 +52,7 @@ jbd2_get_transaction(journal_t *journal, transaction_t *transaction)
transaction->t_expires = jiffies + journal->j_commit_interval;
spin_lock_init(&transaction->t_handle_lock);
INIT_LIST_HEAD(&transaction->t_inode_list);
+ INIT_LIST_HEAD(&transaction->t_private_list);
/* Set up the commit timer for the new transaction. */
journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);