add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/fs/sysv/namei.c
..
..
@@ -28,21 +28,6 @@
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 	return err;
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 }
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-static int sysv_hash(const struct dentry *dentry, struct qstr *qstr)
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-{
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-	/* Truncate the name in place, avoids having to define a compare
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-	   function. */
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-	if (qstr->len > SYSV_NAMELEN) {
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-		qstr->len = SYSV_NAMELEN;
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-		qstr->hash = full_name_hash(dentry, qstr->name, qstr->len);
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-	}
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-	return 0;
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-}
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-
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-const struct dentry_operations sysv_dentry_operations = {
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-	.d_hash		= sysv_hash,
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-};
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-
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 static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, unsigned int flags)
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 {
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 	struct inode * inode = NULL;