87 lines
2.8 KiB
Diff
87 lines
2.8 KiB
Diff
From 122f184d946a007a7ba3ae68386a20f33ed62e1e Mon Sep 17 00:00:00 2001
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From: lotan <lotan@gmx.de>
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Date: Mon, 8 Jun 2015 14:20:06 +0200
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Subject: [PATCH] Support backing dev info kernel 4.0.
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---
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open-vm-tools/modules/linux/vmhgfs/filesystem.c | 16 ++++++++++++++++
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open-vm-tools/modules/linux/vmhgfs/module.h | 4 ++++
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open-vm-tools/modules/linux/vmhgfs/super.c | 3 +++
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3 files changed, 23 insertions(+)
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diff --git a/open-vm-tools/modules/linux/vmhgfs/filesystem.c b/open-vm-tools/modules/linux/vmhgfs/filesystem.c
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index 10dd8ab..3148091 100644
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--- a/open-vm-tools/modules/linux/vmhgfs/filesystem.c
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+++ b/open-vm-tools/modules/linux/vmhgfs/filesystem.c
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@@ -398,8 +398,21 @@ HgfsReadSuper(struct super_block *sb, // OUT: Superblock object
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return PTR_ERR(si);
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}
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HGFS_SET_SB_TO_COMMON(sb, si);
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+
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)
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+ memset(&si->bdi, 0, sizeof(si->bdi));
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+ result = bdi_setup_and_register(&si->bdi, "vmhgfs");
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+ if (result) {
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+ kfree(si->shareName);
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+ kfree(si);
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+ }
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+#endif
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+
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sb->s_magic = HGFS_SUPER_MAGIC;
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sb->s_op = &HgfsSuperOperations;
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)
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+ sb->s_bdi = &si->bdi;
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+#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 38)
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sb->s_d_op = &HgfsDentryOperations;
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@@ -439,6 +452,9 @@ HgfsReadSuper(struct super_block *sb, // OUT: Superblock object
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exit:
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if (result) {
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dput(rootDentry);
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)
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+ bdi_destroy(&si->bdi);
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+#endif
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kfree(si->shareName);
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kfree(si);
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}
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diff --git a/open-vm-tools/modules/linux/vmhgfs/module.h b/open-vm-tools/modules/linux/vmhgfs/module.h
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index b673dc1..f3eeffc 100644
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--- a/open-vm-tools/modules/linux/vmhgfs/module.h
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+++ b/open-vm-tools/modules/linux/vmhgfs/module.h
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@@ -29,6 +29,7 @@
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#include "driver-config.h"
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#include <asm/atomic.h>
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+#include <linux/backing-dev.h>
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#include "compat_fs.h"
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#include "compat_semaphore.h"
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#include "compat_slab.h"
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@@ -144,6 +145,9 @@ typedef struct HgfsSuperInfo {
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char *shareName; /* Mounted share name. */
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size_t shareNameLen; /* To avoid repeated strlen() calls. */
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uint32 mntFlags; /* HGFS mount flags */
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)
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+ struct backing_dev_info bdi;
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+#endif
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} HgfsSuperInfo;
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/*
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diff --git a/open-vm-tools/modules/linux/vmhgfs/super.c b/open-vm-tools/modules/linux/vmhgfs/super.c
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index 04a2192..41f8713 100644
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--- a/open-vm-tools/modules/linux/vmhgfs/super.c
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+++ b/open-vm-tools/modules/linux/vmhgfs/super.c
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@@ -152,6 +152,9 @@ HgfsPutSuper(struct super_block *sb) // IN: The superblock
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si = HGFS_SB_TO_COMMON(sb);
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+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)
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+ bdi_destroy(&si->bdi);
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+#endif
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kfree(si->shareName);
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kfree(si);
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}
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--
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2.3.6
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