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[PATCH] 64-bit jbd2 core

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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>
This commit is contained in:
Zach Brown
2006-10-11 01:21:08 -07:00
committed by Linus Torvalds
parent d0d856e8bd
commit b517bea1c7
5 changed files with 77 additions and 22 deletions
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14
fs/jbd2/revoke.c
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@ -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;
}