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authorMiklos Szeredi <mszeredi@suse.cz>2014-04-01 17:08:41 +0200
committerMiklos Szeredi <mszeredi@suse.cz>2014-04-01 17:08:41 +0200
commit44b1d53043c482225196e8a9cd9f35163a1b3336 (patch)
treefe41d2e81747b987d19ab39251cec8e2dac7964e /include/linux/dcache.h
parent455c6fdbd219161bd09b1165f11699d6d73de11c (diff)
downloadop-kernel-dev-44b1d53043c482225196e8a9cd9f35163a1b3336.zip
op-kernel-dev-44b1d53043c482225196e8a9cd9f35163a1b3336.tar.gz
vfs: add d_is_dir()
Add d_is_dir(dentry) helper which is analogous to S_ISDIR(). To avoid confusion, rename d_is_directory() to d_can_lookup(). Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Reviewed-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/linux/dcache.h')
-rw-r--r--include/linux/dcache.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index bf72e9a..3b50cac 100644
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -429,7 +429,7 @@ static inline unsigned __d_entry_type(const struct dentry *dentry)
return dentry->d_flags & DCACHE_ENTRY_TYPE;
}
-static inline bool d_is_directory(const struct dentry *dentry)
+static inline bool d_can_lookup(const struct dentry *dentry)
{
return __d_entry_type(dentry) == DCACHE_DIRECTORY_TYPE;
}
@@ -439,6 +439,11 @@ static inline bool d_is_autodir(const struct dentry *dentry)
return __d_entry_type(dentry) == DCACHE_AUTODIR_TYPE;
}
+static inline bool d_is_dir(const struct dentry *dentry)
+{
+ return d_can_lookup(dentry) || d_is_autodir(dentry);
+}
+
static inline bool d_is_symlink(const struct dentry *dentry)
{
return __d_entry_type(dentry) == DCACHE_SYMLINK_TYPE;
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