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Convert the symlink repair code to use extent swapping. This means we
can eliminate the problem of symlinks with crosslinked blocks.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Ideally, we'd put all the metadata inodes in one place if we could, so
that the metadata all stay reasonably close together instead of
spreading out over the disk. Furthermore, if the log is internal we'd
probably prefer to keep the metadata near the log. Therefore, disable
AGI rotoring for metadata inode allocations.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Create a helper that calls dqalloc to allocate and grab a reference to
dquots for the user, group, and project ids listed in an icreate
structure. This simplifies the creat-related dqalloc callsites
scattered around the code base.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Callers that want to create an inode currently pass all possible file
attribute values for the new inode into xfs_init_new_inode as ten
separate parameters. This causes two code maintenance issues: first, we
have large multi-line call sites which programmers must read carefully
to make sure they did not accidentally invert a value. Second, all
three file id parameters must be passed separately to the quota
functions; any discrepancy results in quota count errors.
Clean this up by creating a new icreate_args structure to hold all this
information, some helpers to initialize them properly, and make the
callers pass this structure through to the creation function, whose name
we shorten to xfs_icreate. This eliminates the issues, enables us to
keep the inode init code in sync with userspace via libxfs, and is
needed for future metadata directory tree management.
(A subsequent cleanup will also fix the quota alloc calls.)
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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If the extended attributes look bad, try to sift through the rubble to
find whatever keys/values we can, stage a new attribute structure in a
temporary file and use the atomic extent swapping mechanism to commit
the results in bulk.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Repair the realtime summary data by constructing a new rtsummary file in
the scrub temporary file, then atomically swapping the contents.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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Teach the online repair code how to create temporary files or
directories. These temporary files can be used to stage reconstructed
information until we're ready to perform an atomic extent swap to commit
the new metadata.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
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