Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b73fce69ecb091a178ef9286027c370a63eb25aa Commit: b73fce69ecb091a178ef9286027c370a63eb25aa Parent: 55bd725aa3a83b3935988f37275b5a80e10d4169 Author: Valerie Clement <[EMAIL PROTECTED]> AuthorDate: Fri Feb 15 13:48:51 2008 -0500 Committer: Theodore Ts'o <[EMAIL PROTECTED]> CommitDate: Fri Feb 15 13:48:51 2008 -0500
ext4: Fix kernel BUG at fs/ext4/mballoc.c:910! With the flex_bg feature enabled, a large file creation oopses the kernel. The BUG_ON is: BUG_ON(len >= EXT4_BLOCKS_PER_GROUP(sb)); As the allocation of the bitmaps and the inode table can be done outside the block group with flex_bg, this allows to allocate up to EXT4_BLOCKS_PER_GROUP blocks in a group. This patch fixes the oops. Signed-off-by: Valerie Clement <[EMAIL PROTECTED]> Signed-off-by: Mingming Cao <[EMAIL PROTECTED]> Signed-off-by: "Theodore Ts'o" <[EMAIL PROTECTED]> --- fs/ext4/mballoc.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index dd0fcfc..2121184 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -906,7 +906,7 @@ static void ext4_mb_mark_free_simple(struct super_block *sb, unsigned short chunk; unsigned short border; - BUG_ON(len >= EXT4_BLOCKS_PER_GROUP(sb)); + BUG_ON(len > EXT4_BLOCKS_PER_GROUP(sb)); border = 2 << sb->s_blocksize_bits; - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html