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Add a struct for common state for satisfying an on disk allocation,
instead of passing the same long list of items to every function.
This will help with stack usage, performance, and perhaps enable some
code cleanups.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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There's no reason for the caller to do the actual logging, it's all done
the same.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We need to start accounting successes for every IO, not just failures,
so introduce a unified hook for io completion accounting and convert
io_read.c.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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A user has been seeing the "error verifying existing checksum while
rewriting existing data (memory corruption?)" error.
This generally indicates a hardware issue (and that may be the case
here), but it might also indicate a bug, in which case we need more
information to look for patterns.
Reported-by: Roland Vet <vet.roland@protonmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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The uppercase/lowercase style is nice for making the namespace explicit.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Ratelimit them, and use the new bch2_write_op_error() helper that prints
path and file offset.
Reported-by: https://github.com/koverstreet/bcachefs/issues/819
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Control flow integrity is now checking that type signatures match on
indirect function calls. That breaks closures, which embed a work_struct
in a closure in such a way that a closure_fn may also be used as a
workqueue fn by the underlying closure code.
So we have to change closure fns to take a work_struct as their
argument - but that results in a loss of clarity, as closure fns have
different semantics from normal workqueue functions (they run owning a
ref on the closure, which must be released with continue_at() or
closure_return()).
Thus, this patc introduces CLOSURE_CALLBACK() and closure_type() macros
as suggested by Kees, to smooth things over a bit.
Suggested-by: Kees Cook <keescook@chromium.org>
Cc: Coly Li <colyli@suse.de>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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More reorganization, this splits up io.c into
- io_read.c
- io_misc.c - fallocate, fpunch, truncate
- io_write.c
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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