1D_BACKING_DENTRY(9)              The Linux VFS             D_BACKING_DENTRY(9)
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NAME

6       d_backing_dentry - Get upper or lower dentry we should be using
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SYNOPSIS

9       struct dentry * d_backing_dentry(struct dentry * upper);
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ARGUMENTS

12       upper
13           The upper layer
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DESCRIPTION

16       This is the helper that should be used to get the dentry of the inode
17       that will be used if this dentry were opened as a file. It may be the
18       upper dentry or it may be a lower dentry pinned by the upper.
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20       Normal filesystems should not use this to access their own dentries.
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23Kernel Hackers Manual 3.10         June 2019               D_BACKING_DENTRY(9)
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