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When we're rebuilding the data fork of a realtime file, we need to
cross-reference each mapping with the rt refcount btree to ensure that
the reflink flag is set if there are any shared extents found.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Now that we have a reverse-mapping index of the realtime device, we can
rebuild the data fork forward-mappings of any realtime file. Enhance
the existing bmbt repair code to walk the rtrmap btrees to gather this
information.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Create a new fork format type for metadata btrees. This fork type
requires that the inode is in the metadata directory tree, and only
applies to the data fork. The actual type of the metadata btree itself
is determined by the di_metatype field.
Signed-off-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Replace the pag pointers in the type specific union with a generic
xfs_group pointer. This prepares for adding realtime group support.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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The current for_each_perag* macros are a bit annoying in that they
require the caller to both provide an object and an index iterator, and
also somewhat obsfucate the underlying control flow mechanism.
Switch to open coded while loops using new xfs_perag_next{,_from,_range}
helpers that return the next pag structure to iterate on based on the
previous one or NULL for the loop start.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Add helpers to convert an agbno to a daddr or fsbno based on a pag
structure.
This provides a simpler conversion and better type safety compared to the
existing code that passes the mount structure and the agno separately.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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The variable declaration in this function predates the merge of the
nrext64 (aka 64-bit extent counters) feature, which means that the
variable declaration type is insufficient to avoid an integer overflow.
Fix that by redeclaring the variable to be xfs_extnum_t.
Coverity-id: 1630958
Fixes: 8f71bede8efd ("xfs: repair inode fork block mapping data structures")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>
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Replace all the shouty bmap btree and bmap disk root macros with actual
functions.
sed \
-e 's/XFS_BMBT_BLOCK_LEN/xfs_bmbt_block_len/g' \
-e 's/XFS_BMBT_REC_ADDR/xfs_bmbt_rec_addr/g' \
-e 's/XFS_BMBT_KEY_ADDR/xfs_bmbt_key_addr/g' \
-e 's/XFS_BMBT_PTR_ADDR/xfs_bmbt_ptr_addr/g' \
-e 's/XFS_BMDR_REC_ADDR/xfs_bmdr_rec_addr/g' \
-e 's/XFS_BMDR_KEY_ADDR/xfs_bmdr_key_addr/g' \
-e 's/XFS_BMDR_PTR_ADDR/xfs_bmdr_ptr_addr/g' \
-e 's/XFS_BMAP_BROOT_PTR_ADDR/xfs_bmap_broot_ptr_addr/g' \
-e 's/XFS_BMAP_BROOT_SPACE_CALC/xfs_bmap_broot_space_calc/g' \
-e 's/XFS_BMAP_BROOT_SPACE/xfs_bmap_broot_space/g' \
-e 's/XFS_BMDR_SPACE_CALC/xfs_bmdr_space_calc/g' \
-e 's/XFS_BMAP_BMDR_SPACE/xfs_bmap_bmdr_space/g' \
-i $(git ls-files fs/xfs/*.[ch] fs/xfs/libxfs/*.[ch] fs/xfs/scrub/*.[ch])
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Just open code the two calls in the callers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Add a helper function to repair the core and forks of a metadata inode,
so that we can get move onto the task of repairing higher level metadata
that lives in an inode.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Use the reverse-mapping btree information to rebuild an inode block map.
Update the btree bulk loading code as necessary to support inode rooted
btrees and fix some bitrot problems.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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