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Require callers of xfs_symlink_write_target to pass the owner number
explicitly. This sets us up for online repair to be able to write a
remote symlink target to sc->tempip with sc->ip's inumber in the block
heaader.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Allow online repair to call xfs_bmap_local_to_extents and add a void *
argument at the end so that online repair can pass its own context.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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The previous commit added a new file mapping exchange flag that enables
us to perform post-exchange processing on file2 once we're done
exchanging the extent mappings. Now add this ability for symlinks.
This isn't used anywhere right now, but we need to have the basic ondisk
flags in place so that a future online symlink repair feature can
salvage the remote target in a temporary link and exchange the data fork
mappings when ready. If one file is in extents format and the other is
inline, we will have to promote both to extents format to perform the
exchange. After the exchange, we can try to condense the fixed symlink
down to inline format if possible.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Move xfs_symlink_write_target to xfs_symlink_remote.c so that kernel and
mkfs can share the same function.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Move xfs_readlink_bmap_ilocked to xfs_symlink_remote.c so that the
swapext code can use it to convert a remote format symlink back to
shortform format after a metadata repair. While we're at it, fix a
broken printf prefix.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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Move declarations for libxfs symlink functions into a separate header
file like we do for most everything else.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
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