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xfs: introduce xfs_dialloc_roll()

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Introduce a helper to make the on-disk inode allocation rolling
logic clearer in preparation of the following cleanup.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Dave Chinner 2020-12-09 10:02:17 -08:00 • committed by Darrick J. Wong
parent 15574ebbff
commit aececc9f8d
3 changed files with 41 additions and 30 deletions
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5
fs/xfs/libxfs/xfs_ialloc.h
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@ -32,6 +32,11 @@ xfs_make_iptr(struct xfs_mount *mp, struct xfs_buf *b, int o)
return xfs_buf_offset(b, o << (mp)->m_sb.sb_inodelog);
}
int
xfs_dialloc_roll(
struct xfs_trans **tpp,
struct xfs_buf *agibp);
/*
* Allocate an inode on disk.
* Mode is used to tell whether the new inode will need space, and whether