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784a7fe5d9
Commit torvalds/linux@4246a0b63b
("block: add a bi_error field to struct bio") dropped the error
argument from bio_endio in favor of newly introduced bio->bi_error.
This also replaces bio->bi_flags value BIO_UPTODATE.
bio_endio was a 3 argument function until Linux 2.6.24, which made it
a 2 argument function, and now the prototype has changed yet again to
a 1 argument function. Support for pre 2.6.24 kernels was already
dropped with 37f9dac592 ("zvol processing should use struct bio")
which assumed the 2 argument version in zvol_request(). Remaining code
to support the 3 argument version is hereby removed.
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Issue #3799
25 lines
710 B
Plaintext
25 lines
710 B
Plaintext
dnl #
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dnl # 4.3 API change
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dnl # Error argument dropped from bio_endio in favor of newly introduced
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dnl # bio->bi_error. This also replaces bio->bi_flags value BIO_UPTODATE.
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dnl # Introduced by torvalds/linux@4246a0b63bd8f56a1469b12eafeb875b1041a451
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dnl # ("block: add a bi_error field to struct bio").
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BIO_END_IO_T_ARGS], [
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AC_MSG_CHECKING([whether bio_end_io_t wants 1 arg])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/bio.h>
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void wanted_end_io(struct bio *bio) { return; }
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bio_end_io_t *end_io __attribute__ ((unused)) = wanted_end_io;
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],[
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_1ARG_BIO_END_IO_T, 1,
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[bio_end_io_t wants 1 arg])
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],[
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AC_MSG_RESULT(no)
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])
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])
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