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787acae0b5
generic_start_io_acct/generic_end_io_acct in the master branch of the linux kernel requires that the request_queue be provided. Move the logic from freemem in the spl to arc_free_memory in arc.c. Do this so we can take advantage of global_page_state interface checks in zfs. Upstream kernel replaced struct block_device with struct gendisk in struct bio. Determine if the function bio_set_dev exists during configure and have zfs use that if it exists. bio_set_dev https://github.com/torvalds/linux/commit/74d4699 global_node_page_state https://github.com/torvalds/linux/commit/75ef718 io acct https://github.com/torvalds/linux/commit/d62e26b Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Giuseppe Di Natale <dinatale2@llnl.gov> Closes #6635
23 lines
528 B
Plaintext
23 lines
528 B
Plaintext
dnl #
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dnl # Linux 4.14 API,
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dnl #
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dnl # The bio_set_dev() helper was introduced as part of the transition
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dnl # to have struct gendisk in struct bio.
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dnl #
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AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV], [
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AC_MSG_CHECKING([whether bio_set_dev() exists])
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ZFS_LINUX_TRY_COMPILE([
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#include <linux/bio.h>
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#include <linux/fs.h>
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],[
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struct block_device *bdev = NULL;
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struct bio *bio = NULL;
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bio_set_dev(bio, bdev);
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],[
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BIO_SET_DEV, 1, [bio_set_dev() exists])
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],[
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AC_MSG_RESULT(no)
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])
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])
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