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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2008-10-16 07:50:28 +0900
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 05:13:16 -0400
commite2761a1167633ed943fea29002f990194923d060 (patch)
treee91816e85c7721fcff72e5f84336b1dde9d1ac17 /include
parent871c0067d53ba2dc35897c7da1da675bf4c70511 (diff)
downloadlinux-linaro-e2761a1167633ed943fea29002f990194923d060.tar.gz
[PATCH vfs-2.6 2/6] vfs: add d_ancestor()
This adds d_ancestor() instead of d_isparent(), then use it. If new_dentry == old_dentry, is_subdir() returns 1, looks strange. "new_dentry == old_dentry" is not subdir obviously. But I'm not checking callers for now, so this keeps current behavior. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>
Diffstat (limited to 'include')
-rw-r--r--include/linux/dcache.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index 74c64ae30cf..a37359d0bad 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -287,6 +287,7 @@ static inline struct dentry *d_add_unique(struct dentry *entry, struct inode *in
/* used for rename() and baskets */
extern void d_move(struct dentry *, struct dentry *);
+extern struct dentry *d_ancestor(struct dentry *, struct dentry *);
/* appendix may either be NULL or be used for transname suffixes */
extern struct dentry * d_lookup(struct dentry *, struct qstr *);