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scst_vdisk: Build fix for kernel versions <= 2.6.32

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@5568 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2014-06-05 06:34:19 +00:00
parent a7648c418e
commit f2ba108911
1 changed files with 5 additions and 0 deletions
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5
scst/src/dev_handlers/scst_vdisk.c
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@@ -909,9 +909,14 @@ check:
struct request_queue *q;
sBUG_ON(!fd_open);
q = bdev_get_queue(fd->f_dentry->d_inode->i_bdev);
#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 32) || \
(defined(RHEL_MAJOR) && RHEL_MAJOR -0 >= 6)
virt_dev->unmap_opt_gran = q->limits.discard_granularity >> block_shift;
virt_dev->unmap_align = q->limits.discard_alignment >> block_shift;
virt_dev->unmap_max_lba_cnt = q->limits.max_discard_sectors >> (block_shift - 9);
#else
sBUG_ON(1);
#endif
} else {
virt_dev->unmap_opt_gran = 1;
virt_dev->unmap_align = 0;