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linux 5.13 compat: bdevops->revalidate_disk() removed (#12122)

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Linux kernel commit 0f00b82e5413571ed225ddbccad6882d7ea60bc7 removes the
revalidate_disk() handler from struct block_device_operations. This
caused a regression, and this commit eliminates the call to it and the
assignment in the block_device_operations static handler assignment
code, when configure identifies that the kernel doesn't support that
API handler.

Reviewed-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Coleman Kane <ckane@colemankane.org>
Closes #11967
Closes #11977
(cherry picked from commit 48c7b0e444)
Signed-off-by: Jonathon Fernyhough <jonathon@m2x.dev>

Co-authored-by: Coleman Kane <ckane@colemankane.org>
This commit is contained in:
Jonathon Fernyhough
2021-06-02 00:00:45 +00:00
committed by Tony Hutter
parent 8f93ab53d4
commit d014da0032
3 changed files with 38 additions and 0 deletions
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module/os/linux/zfs/zvol_os.c
+2
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@@ -721,7 +721,9 @@ static struct block_device_operations zvol_ops = {
.ioctl = zvol_ioctl,
.compat_ioctl = zvol_compat_ioctl,
.check_events = zvol_check_events,
#ifdef HAVE_BLOCK_DEVICE_OPERATIONS_REVALIDATE_DISK
.revalidate_disk = zvol_revalidate_disk,
#endif
.getgeo = zvol_getgeo,
.owner = THIS_MODULE,
#ifdef HAVE_SUBMIT_BIO_IN_BLOCK_DEVICE_OPERATIONS