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Linux 5.12 compat: replace bio_*_io_acct with disk_*_io_acct

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The bio_*_acct functions became GPL exports, which causes the
kernel modules to refuse to compile. This replaces code with
alternate function calls to the disk_*_io_acct interfaces, which
are not GPL exports. This change was added in kernel commit
99dfc43ecbf67f12a06512918aaba61d55863efc.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Coleman Kane <ckane@colemankane.org>
Closes #11639
This commit is contained in:
Coleman Kane
2021-02-22 21:18:41 -05:00
committed by Brian Behlendorf
parent a0eb5a77a0
commit 6c1989923e
2 changed files with 53 additions and 24 deletions
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include/os/linux/kernel/linux/blkdev_compat.h
+6 -2
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@@ -520,7 +520,9 @@ blk_generic_start_io_acct(struct request_queue *q __attribute__((unused)),
struct gendisk *disk __attribute__((unused)),
int rw __attribute__((unused)), struct bio *bio)
{
#if defined(HAVE_BIO_IO_ACCT)
#if defined(HAVE_DISK_IO_ACCT)
return (disk_start_io_acct(disk, bio_sectors(bio), bio_op(bio)));
#elif defined(HAVE_BIO_IO_ACCT)
return (bio_start_io_acct(bio));
#elif defined(HAVE_GENERIC_IO_ACCT_3ARG)
unsigned long start_time = jiffies;
@@ -541,7 +543,9 @@ blk_generic_end_io_acct(struct request_queue *q __attribute__((unused)),
struct gendisk *disk __attribute__((unused)),
int rw __attribute__((unused)), struct bio *bio, unsigned long start_time)
{
#if defined(HAVE_BIO_IO_ACCT)
#if defined(HAVE_DISK_IO_ACCT)
disk_end_io_acct(disk, bio_op(bio), start_time);
#elif defined(HAVE_BIO_IO_ACCT)
bio_end_io_acct(bio, start_time);
#elif defined(HAVE_GENERIC_IO_ACCT_3ARG)
generic_end_io_acct(rw, &disk->part0, start_time);