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authorChristoph Hellwig <hch@infradead.org>2013-12-13 11:34:02 +1100
committerDave Chinner <david@fromorbit.com>2013-12-13 11:34:02 +1100
commitbde7cff67c39227c6ad503394e19e58debdbc5e3 (patch)
tree4325938342c4dece835e387e323106db53fe137d /fs/xfs/xfs_trans.h
parent1234351cba958cd5d4338172ccfc869a687cd736 (diff)
downloadop-kernel-dev-bde7cff67c39227c6ad503394e19e58debdbc5e3.zip
op-kernel-dev-bde7cff67c39227c6ad503394e19e58debdbc5e3.tar.gz
xfs: format log items write directly into the linear CIL buffer
Instead of setting up pointers to memory locations in iop_format which then get copied into the CIL linear buffer after return move the copy into the individual inode items. This avoids the need to always have a memory block in the exact same layout that gets written into the log around, and allow the log items to be much more flexible in their in-memory layouts. The only caveat is that we need to properly align the data for each iovec so that don't have structures misaligned in subsequent iovecs. Note that all log item format routines now need to be careful to modify the copy of the item that was placed into the CIL after calls to xlog_copy_iovec instead of the in-memory copy. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_trans.h')
-rw-r--r--fs/xfs/xfs_trans.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 9b96d35..b5bc1ab 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -64,7 +64,7 @@ typedef struct xfs_log_item {
struct xfs_item_ops {
void (*iop_size)(xfs_log_item_t *, int *, int *);
- void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
+ void (*iop_format)(xfs_log_item_t *, struct xfs_log_vec *);
void (*iop_pin)(xfs_log_item_t *);
void (*iop_unpin)(xfs_log_item_t *, int remove);
uint (*iop_push)(struct xfs_log_item *, struct list_head *);
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