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0018-LU-15544-osd-ldiskfs-Update-bio_set_dev-an...
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File 0018-LU-15544-osd-ldiskfs-Update-bio_set_dev-and-BIO_MAX_.patch of Package lustre_2_15
From 7ab9cc7a1315f573addd4ee2853a2c1f3a13cdf5 Mon Sep 17 00:00:00 2001 From: Shaun Tancheff <shaun.tancheff@hpe.com> Date: Fri, 11 Nov 2022 02:19:53 -0600 Subject: [PATCH 18/30] LU-15544 osd-ldiskfs: Update bio_set_dev and BIO_MAX_VECS Linux commit v5.11-rc5-9-g309dca309fc3 block: store a block_device pointer in struct bio created bio_set_dev macro and Linux commit v5.15-rc6-127-gcf6d6238cdd3 block: turn macro helpers into inline functions change the macro to an inline function for bio_set_dev. This change tests for bio_set_dev and provides one, if one is not provided by the kernel. Linux commit v5.12-rc1-20-ga8affc03a9b3 block: rename BIO_MAX_PAGES to BIO_MAX_VECS This change provide a fallback for older kernels when BIO_MAX_VECS is not defined. Linux commit v5.11-rc4-8-g5857c9209ce5 mm: Mark anonymous struct field of 'struct vm_fault' as 'const' Breaks and exisiting configure test for vm_fault.address This changes the configure test for vm_fault.address so it does not fail due to address being const Test-Parameters: trivial HPE-bug-id: LUS-10744 Signed-off-by: Shaun Tancheff <shaun.tancheff@hpe.com> Change-Id: I06d3bf60e32b969e1e635e378cbd1ee36293165c --- lustre/autoconf/lustre-core.m4 | 37 +++++++++++++++++++++++++++++++++++-- lustre/osd-ldiskfs/osd_internal.h | 5 ++++- lustre/osd-ldiskfs/osd_io.c | 11 ++++++++++- 3 files changed, 49 insertions(+), 4 deletions(-) --- a/lustre/autoconf/lustre-core.m4 +++ b/lustre/autoconf/lustre-core.m4 @@ -1974,8 +1974,9 @@ LB_CHECK_COMPILE([if 'struct vm_fault' r vm_fault_address, [ #include <linux/mm.h> ],[ - unsigned long vaddr = ((struct vm_fault *)0)->address; - (void)vaddr; + struct vm_fault vmf = { 0 }; + unsigned long addr = (unsigned long)vmf.address; + (void)addr; ],[ AC_DEFINE(HAVE_VM_FAULT_ADDRESS, 1, [virtual_address has been replaced by address field]) @@ -2645,6 +2646,35 @@ EXTRA_KCFLAGS="$tmp_flags" ]) # LC_FSCRYPT_IS_NOKEY_NAME # +# LC_BIO_SET_DEV +# +# Linux: v5.11-rc5-9-g309dca309fc3 +# block: store a block_device pointer in struct bio +# created bio_set_dev macro +# Linux: v5.15-rc6-127-gcf6d6238cdd3 +# block: turn macro helpers into inline functions +# created inline function(s). +# +# Only provide a bio_set_dev it is is not proveded by the kernel +# +AC_DEFUN([LC_BIO_SET_DEV], [ +tmp_flags="$EXTRA_KCFLAGS" +EXTRA_KCFLAGS="-Werror" + LB_CHECK_COMPILE([if 'bio_set_dev' is available], + [bio_set_dev], [ + #include <linux/bio.h> + ],[ + struct bio *bio = NULL; + struct block_device *bdev = NULL; + + bio_set_dev(bio, bdev); + ],[ + AC_DEFINE(HAVE_BIO_SET_DEV, 1, ['bio_set_dev' is available]) + ]) +EXTRA_KCFLAGS="$tmp_flags" +]) # LC_BIO_SET_DEV + +# # LC_HAVE_USER_NAMESPACE_ARG # # kernel 5.12 commit 549c7297717c32ee53f156cd949e055e601f67bb @@ -3034,6 +3064,9 @@ AC_DEFUN([LC_PROG_LINUX], [ # 5.10 LC_HAVE_ITER_FILE_SPLICE_WRITE + # 5.11 + LC_BIO_SET_DEV + # 5.12 LC_HAVE_USER_NAMESPACE_ARG --- a/lustre/osd-ldiskfs/osd_internal.h +++ b/lustre/osd-ldiskfs/osd_internal.h @@ -1502,7 +1502,10 @@ bool bio_integrity_enabled(struct bio *b # define bio_get_dev(bio) ((bio)->bi_bdev) # define bio_get_disk(bio) (bio_get_dev(bio)->bd_disk) # define bio_get_queue(bio) bdev_get_queue(bio_get_dev(bio)) -# define bio_set_dev(bio, bdev) (bio_get_dev(bio) = (bdev)) + +# ifndef HAVE_BIO_SET_DEV +# define bio_set_dev(bio, bdev) (bio_get_dev(bio) = (bdev)) +# endif #else # define bio_get_disk(bio) ((bio)->bi_disk) # define bio_get_queue(bio) (bio_get_disk(bio)->queue) --- a/lustre/osd-ldiskfs/osd_io.c +++ b/lustre/osd-ldiskfs/osd_io.c @@ -483,6 +483,14 @@ static void osd_mark_page_io_done(struct } } +/* + * Linux v5.12-rc1-20-ga8affc03a9b3 + * block: rename BIO_MAX_PAGES to BIO_MAX_VECS + */ +#ifndef BIO_MAX_VECS +#define BIO_MAX_VECS BIO_MAX_PAGES +#endif + static int osd_do_bio(struct osd_device *osd, struct inode *inode, struct osd_iobuf *iobuf, sector_t start_blocks, sector_t count) @@ -604,7 +612,8 @@ static int osd_do_bio(struct osd_device bio_start_page_idx = page_idx; /* allocate new bio */ - bio = bio_alloc(GFP_NOIO, min(BIO_MAX_PAGES, + bio = bio_alloc(GFP_NOIO, min_t(unsigned short, + BIO_MAX_VECS, (block_idx_end - block_idx + blocks_left_page - 1))); if (bio == NULL) {
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