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authorZach Brown <zach.brown@oracle.com>2006-10-11 01:21:08 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 11:14:16 -0700
commitb517bea1c74e4773482b3f41b3f493522a8c8e30 (patch)
tree1e98110151f1a35cde84ce1a2cb6f0cb871e9551 /fs/jbd2/revoke.c
parentd0d856e8bd6e697cb44b2b4dd038f3bec576a70e (diff)
downloadop-kernel-dev-b517bea1c74e4773482b3f41b3f493522a8c8e30.zip
op-kernel-dev-b517bea1c74e4773482b3f41b3f493522a8c8e30.tar.gz
[PATCH] 64-bit jbd2 core
Here is the patch to JBD to handle 64 bit block numbers, originally from Zach Brown. This patch is useful only after adding support for 64-bit block numbers in the filesystem. Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Zach Brown <zach.brown@oracle.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>
Diffstat (limited to 'fs/jbd2/revoke.c')
-rw-r--r--fs/jbd2/revoke.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c
index 5820a0c..8aac875 100644
--- a/fs/jbd2/revoke.c
+++ b/fs/jbd2/revoke.c
@@ -584,9 +584,17 @@ static void write_one_revoke_record(journal_t *journal,
*descriptorp = descriptor;
}
- * ((__be32 *)(&jh2bh(descriptor)->b_data[offset])) =
- cpu_to_be32(record->blocknr);
- offset += 4;
+ if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT)) {
+ * ((__be64 *)(&jh2bh(descriptor)->b_data[offset])) =
+ cpu_to_be64(record->blocknr);
+ offset += 8;
+
+ } else {
+ * ((__be32 *)(&jh2bh(descriptor)->b_data[offset])) =
+ cpu_to_be32(record->blocknr);
+ offset += 4;
+ }
+
*offsetp = offset;
}
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