diff options
| author | Olof Johansson <olof@lixom.net> | 2012-12-12 16:10:45 -0800 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2012-12-12 16:10:45 -0800 |
| commit | 9c7466b217af784280d9fc841bbd559ef3bf33e9 (patch) | |
| tree | c21ee243e48912201b4041fbf3f9bd9165603bd8 /fs/xfs/xfs_attr_leaf.c | |
| parent | 4a76411ea3f1da9032e031f8fff8894b97d141b2 (diff) | |
| parent | 48d224d1efec98b0b78e511150b4f5752beceb7c (diff) | |
ARM: arm-soc: Merge branch 'next/pm2' into next/pm
Another smaller branch merged into next/pm before pull request.
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'fs/xfs/xfs_attr_leaf.c')
| -rw-r--r-- | fs/xfs/xfs_attr_leaf.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index d330111ca73..70eec182977 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -1291,6 +1291,7 @@ xfs_attr_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, leaf2 = blk2->bp->b_addr; ASSERT(leaf1->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); + ASSERT(leaf2->hdr.count == 0); args = state->args; trace_xfs_attr_leaf_rebalance(args); @@ -1361,6 +1362,7 @@ xfs_attr_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, * I assert that since all callers pass in an empty * second buffer, this code should never execute. */ + ASSERT(0); /* * Figure the total bytes to be added to the destination leaf. @@ -1422,10 +1424,24 @@ xfs_attr_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, args->index2 = 0; args->blkno2 = blk2->blkno; } else { + /* + * On a double leaf split, the original attr location + * is already stored in blkno2/index2, so don't + * overwrite it overwise we corrupt the tree. + */ blk2->index = blk1->index - be16_to_cpu(leaf1->hdr.count); - args->index = args->index2 = blk2->index; - args->blkno = args->blkno2 = blk2->blkno; + args->index = blk2->index; + args->blkno = blk2->blkno; + if (!state->extravalid) { + /* + * set the new attr location to match the old + * one and let the higher level split code + * decide where in the leaf to place it. + */ + args->index2 = blk2->index; + args->blkno2 = blk2->blkno; + } } } else { ASSERT(state->inleaf == 1); |