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authorEric Sandeen <esandeen@redhat.com>2006-09-27 01:49:31 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-27 08:26:09 -0700
commit37ed322290eb6d5cf2ab33915793ed4219eae1d6 (patch)
treebd6e122b7af0b4c6a71bca21972cea3d124262b4
parenteee194e76c681dbdbf5024b889fda1181b66ef57 (diff)
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[PATCH] JBD: 16T fixes
These are a few places I've found in jbd that look like they may not be 16T-safe, or consistent with the use of unsigned longs for block containers. Problems here would be somewhat hard to hit, would require journal blocks past the 8T boundary, which would not be terribly common. Still, should fix. (some of these have come from the ext4 work on jbd as well). I think there's one more possibility that the wrap() function may not be safe IF your last block in the journal butts right up against the 232 block boundary, but that seems like a VERY remote possibility, and I'm not worrying about it at this point. Signed-off-by: Eric Sandeen <esandeen@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/jbd/journal.c6
-rw-r--r--include/linux/jbd.h4
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
index 2613fca9274..88d970e09ce 100644
--- a/fs/jbd/journal.c
+++ b/fs/jbd/journal.c
@@ -271,7 +271,7 @@ static void journal_kill_thread(journal_t *journal)
int journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
- int blocknr)
+ unsigned long blocknr)
{
int need_copy_out = 0;
int done_copy_out = 0;
@@ -696,7 +696,7 @@ fail:
* @bdev: Block device on which to create the journal
* @fs_dev: Device which hold journalled filesystem for this journal.
* @start: Block nr Start of journal.
- * @len: Lenght of the journal in blocks.
+ * @len: Length of the journal in blocks.
* @blocksize: blocksize of journalling device
* @returns: a newly created journal_t *
*
@@ -820,7 +820,7 @@ static void journal_fail_superblock (journal_t *journal)
static int journal_reset(journal_t *journal)
{
journal_superblock_t *sb = journal->j_superblock;
- unsigned int first, last;
+ unsigned long first, last;
first = be32_to_cpu(sb->s_first);
last = be32_to_cpu(sb->s_maxlen);
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 7d847931ee5..dc262624efa 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -732,7 +732,7 @@ struct journal_s
*/
struct block_device *j_dev;
int j_blocksize;
- unsigned int j_blk_offset;
+ unsigned long j_blk_offset;
/*
* Device which holds the client fs. For internal journal this will be
@@ -866,7 +866,7 @@ extern int
journal_write_metadata_buffer(transaction_t *transaction,
struct journal_head *jh_in,
struct journal_head **jh_out,
- int blocknr);
+ unsigned long blocknr);
/* Transaction locking */
extern void __wait_on_journal (journal_t *);