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kcmp(2): implement for linuxkpi cdevs

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(cherry picked from commit 41fb6dc3d4)
This commit is contained in:
Konstantin Belousov 2024-01-19 23:54:03 +02:00
parent 7dff3d1cdf
commit 81cee1350f
1 changed files with 14 additions and 0 deletions
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14
sys/compat/linuxkpi/common/src/linux_compat.c
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@ -1899,6 +1899,19 @@ linux_iminor(struct inode *inode)
return (minor(ldev->dev));
}
static int
linux_file_kcmp(struct file *fp1, struct file *fp2, struct thread *td)
{
struct linux_file *filp1, *filp2;
if (fp2->f_type != DTYPE_DEV)
return (3);
filp1 = fp1->f_data;
filp2 = fp2->f_data;
return (kcmp_cmp((uintptr_t)filp1->f_cdev, (uintptr_t)filp2->f_cdev));
}
struct fileops linuxfileops = {
.fo_read = linux_file_read,
.fo_write = linux_file_write,
@ -1913,6 +1926,7 @@ struct fileops linuxfileops = {
.fo_chmod = invfo_chmod,
.fo_chown = invfo_chown,
.fo_sendfile = invfo_sendfile,
.fo_cmp = linux_file_kcmp,
.fo_flags = DFLAG_PASSABLE,
};