forked from Minki/linux
72e67f0463
The filesystem reconfigure API is undergoing a transition, breaking our current code. As we only set the default options, we can simply remove the call to s_op->remount_fs(). In the future, when HW permits, we can try re-enabling huge page support, albeit as suggested with new per-file controls. Reported-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Reported-by: Sedat Dilek <sedat.dilek@gmail.com> Suggested-by: Hugh Dickins <hughd@google.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.auld@intel.com> Cc: Hugh Dickins <hughd@google.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Reviewed-by: Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190808172226.18306-1-chris@chris-wilson.co.uk
45 lines
903 B
C
45 lines
903 B
C
/*
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* SPDX-License-Identifier: MIT
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*
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* Copyright © 2017 Intel Corporation
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*/
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#include <linux/fs.h>
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#include <linux/mount.h>
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#include <linux/pagemap.h>
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#include "i915_drv.h"
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#include "i915_gemfs.h"
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int i915_gemfs_init(struct drm_i915_private *i915)
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{
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struct file_system_type *type;
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struct vfsmount *gemfs;
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type = get_fs_type("tmpfs");
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if (!type)
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return -ENODEV;
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/*
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* By creating our own shmemfs mountpoint, we can pass in
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* mount flags that better match our usecase.
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*
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* One example, although it is probably better with a per-file
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* control, is selecting huge page allocations ("huge=within_size").
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* Currently unused due to bandwidth issues (slow reads) on Broadwell+.
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*/
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gemfs = kern_mount(type);
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if (IS_ERR(gemfs))
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return PTR_ERR(gemfs);
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i915->mm.gemfs = gemfs;
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return 0;
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}
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void i915_gemfs_fini(struct drm_i915_private *i915)
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{
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kern_unmount(i915->mm.gemfs);
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}
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