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xfs: introduce directory geometry structure

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The directory code has a dependency on the struct xfs_mount to
supply the directory block geometry. Block size, block log size,
and other parameters are pre-caclulated in the struct xfs_mount or
access directly from the superblock embedded in the struct
xfs_mount.

Extract all of this geometry information out of the struct xfs_mount
and superblock and place it into a new struct xfs_da_geometry
defined by the directory code. Allocate and initialise it at mount
time, and attach it to the struct xfs_mount so it canbe passed back
into the directory code appropriately rather than using the struct
xfs_mount.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dave Chinner
2014-06-06 15:01:58 +10:00
committed by Dave Chinner
parent 2d6dcc6d7e
commit 0650b55497
8 changed files with 99 additions and 23 deletions
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2
fs/xfs/xfs_attr_leaf.c
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@@ -711,6 +711,7 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args)
memset((char *)&nargs, 0, sizeof(nargs));
nargs.dp = dp;
nargs.geo = args->geo;
nargs.firstblock = args->firstblock;
nargs.flist = args->flist;
nargs.total = args->total;
@@ -838,6 +839,7 @@ xfs_attr3_leaf_to_shortform(
* Copy the attributes
*/
memset((char *)&nargs, 0, sizeof(nargs));
nargs.geo = args->geo;
nargs.dp = dp;
nargs.firstblock = args->firstblock;
nargs.flist = args->flist;