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Mark Linux fallocate extensions as specific to Linux

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fallocate(2) is a Linux-specific system call which in unavailable
on other platforms.

Reviewed-by: Jorgen Lundman <lundman@lundman.net>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Matt Macy <mmacy@FreeBSD.org>
Closes #9633
This commit is contained in:
Matthew Macy
2019-11-30 15:40:22 -08:00
committed by Brian Behlendorf
parent 77323bcf53
commit f348c78f97
2 changed files with 9 additions and 3 deletions
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module/os/linux/zfs/vdev_file.c
+5 -3
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@@ -36,9 +36,9 @@
#include <sys/fcntl.h>
#include <sys/vnode.h>
#include <sys/zfs_file.h>
#ifdef _KERNEL
#include <linux/falloc.h>
#endif
/*
* Virtual device vector for files.
*/
@@ -268,10 +268,12 @@ vdev_file_io_start(zio_t *zio)
zio_execute(zio);
return;
} else if (zio->io_type == ZIO_TYPE_TRIM) {
int mode;
int mode = 0;
ASSERT3U(zio->io_size, !=, 0);
#ifdef __linux__
mode = FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE;
#endif
zio->io_error = zfs_file_fallocate(vf->vf_file,
mode, zio->io_offset, zio->io_size);
zio_execute(zio);