Check for already existing in memFS.CreateFile.
parent
eafe864b8c
commit
4269d7cd47
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@ -341,6 +341,14 @@ func (fs *memFS) CreateFile(
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parent := fs.getInodeForModifyingOrDie(op.Parent)
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defer parent.mu.Unlock()
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// Ensure that the name doesn't alread exist, so we don't wind up with a
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// duplicate.
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_, exists := parent.LookUpChild(op.Name)
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if exists {
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err = fmt.Errorf("Name %q already exists in parent", op.Name)
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return
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}
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// Set up attributes from the child, using the credentials of the calling
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// process as owner (matching inode_init_owner, cf. http://goo.gl/5qavg8).
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now := fs.clock.Now()
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