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| author |   Chandan Babu R <chandan.babu@oracle.com> | 2020-08-27 15:09:10 +0530 |
|---|---|---|
| committer | Chandan Babu R <chandan.babu@oracle.com> | 2022-04-11 04:11:17 +0000 |
| commit | 9feb8f19665c8ba051c6a81aa7897149e7748e1e (patch) | |
| tree | 501f071896209b1c464e49d69a1f42f940b6f16b /fs/xfs/libxfs/xfs_bmap.c | |
| parent | xfs: Define max extent length based on on-disk format definition (diff) | |
| download | linux-dev-9feb8f19665c8ba051c6a81aa7897149e7748e1e.tar.xz linux-dev-9feb8f19665c8ba051c6a81aa7897149e7748e1e.zip | |
xfs: Introduce xfs_iext_max_nextents() helper
xfs_iext_max_nextents() returns the maximum number of extents possible for one
of data, cow or attribute fork. This helper will be extended further in a
future commit when maximum extent counts associated with data/attribute forks
are increased.
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Chandan Babu R <chandan.babu@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 00b8e6e1c404..a713bc7242a4 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -74,13 +74,12 @@ xfs_bmap_compute_maxlevels( * ATTR2 we have to assume the worst case scenario of a minimum size * available. */ - if (whichfork == XFS_DATA_FORK) { - maxleafents = MAXEXTNUM; + maxleafents = xfs_iext_max_nextents(whichfork); + if (whichfork == XFS_DATA_FORK) sz = XFS_BMDR_SPACE_CALC(MINDBTPTRS); - } else { - maxleafents = MAXAEXTNUM; + else sz = XFS_BMDR_SPACE_CALC(MINABTPTRS); - } + maxrootrecs = xfs_bmdr_maxrecs(sz, 0); minleafrecs = mp->m_bmap_dmnr[0]; minnoderecs = mp->m_bmap_dmnr[1]; |