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authorMiklos Szeredi <mszeredi@redhat.com>2017-09-05 12:53:11 +0200
committerMiklos Szeredi <mszeredi@redhat.com>2017-09-05 12:53:11 +0200
commitcd91304e7190b4c4802f8e413ab2214b233e0260 (patch)
tree66a616319703171a07055fed8f6db52cd3f14c5a /include
parentvfs: add flags to d_real() (diff)
downloadlinux-cd91304e7190b4c4802f8e413ab2214b233e0260.tar.xz
linux-cd91304e7190b4c4802f8e413ab2214b233e0260.zip
ovl: fix relatime for directories
Need to treat non-regular overlayfs files the same as regular files when checking for an atime update. Add a d_real() flag to make it return the upper dentry for all file types. Reported-by: "zhangyi (F)" <yi.zhang@huawei.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/dcache.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index fd0721e520f4..ed1a7cf6923a 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -562,6 +562,9 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
return upper;
}
+/* d_real() flags */
+#define D_REAL_UPPER 0x2 /* return upper dentry or NULL if non-upper */
+
/**
* d_real - Return the real dentry
* @dentry: the dentry to query