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overlayfs: make mcoverlayfs compile for 4.14.0-115 (el7 arm64)

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Use the 4.18 module as a base

Change-Id: I6c9ef66399800828e1932573da5a97573545c5da
This commit is contained in:
Dominique Martinet
2019-01-15 14:29:05 +09:00
parent 0fbdcc44b9
commit f5320fc2b4
7 changed files with 46 additions and 0 deletions
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5
executer/kernel/mcoverlayfs/linux-4.18.14/export.c
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@@ -17,6 +17,7 @@
#include <linux/xattr.h>
#include <linux/exportfs.h>
#include <linux/ratelimit.h>
#include <linux/version.h>
#include "overlayfs.h"
static int ovl_encode_maybe_copy_up(struct dentry *dentry)
@@ -287,6 +288,7 @@ static int ovl_encode_fh(struct inode *inode, u32 *fid, int *max_len,
return type;
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0)
/*
* Find or instantiate an overlay dentry from real dentries and index.
*/
@@ -838,11 +840,14 @@ static struct dentry *ovl_get_parent(struct dentry *dentry)
WARN_ON_ONCE(1);
return ERR_PTR(-EIO);
}
#endif
const struct export_operations ovl_export_operations = {
.encode_fh = ovl_encode_fh,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 16, 0)
.fh_to_dentry = ovl_fh_to_dentry,
.fh_to_parent = ovl_fh_to_parent,
.get_name = ovl_get_name,
.get_parent = ovl_get_parent,
#endif
};