The Linux Kernel API
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is_subdir

Name

is_subdir -- is new dentry a subdirectory of old_dentry

Synopsis

int is_subdir (struct dentry * new_dentry, struct dentry * old_dentry);

Arguments

new_dentry: new dentry
old_dentry: old dentry

Description

Returns 1 if new_dentry is a subdirectory of the parent (at any depth). Returns 0 otherwise. Caller must ensure that "new_dentry" is pinned before calling is_subdir

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