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authorArjan van de Ven <arjan@infradead.org>2008-12-01 14:35:00 -0800
committerAl Viro <viro@zeniv.linux.org.uk>2008-12-31 18:07:41 -0500
commit52afeefb9dac9287429642189996426a2bfd6a25 (patch)
treecbc7baf2a2f4e8dc16861ad4b13de0183f4afa7e /fs/seq_file.c
parentbe42c4c433c2c0d3f1583c08908fead00d36d222 (diff)
downloadlinux-52afeefb9dac9287429642189996426a2bfd6a25.tar.gz
expand some comments (d_path / seq_path)
Explain that you really need to use the return value of d_path rather than the buffer you passed into it. Also fix the comment for seq_path(), the function arguments changed recently but the comment hadn't been updated in sync. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/seq_file.c')
-rw-r--r--fs/seq_file.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 16c211558c2..99d8b8cfc9b 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -389,8 +389,14 @@ char *mangle_path(char *s, char *p, char *esc)
}
EXPORT_SYMBOL(mangle_path);
-/*
- * return the absolute path of 'dentry' residing in mount 'mnt'.
+/**
+ * seq_path - seq_file interface to print a pathname
+ * @m: the seq_file handle
+ * @path: the struct path to print
+ * @esc: set of characters to escape in the output
+ *
+ * return the absolute path of 'path', as represented by the
+ * dentry / mnt pair in the path parameter.
*/
int seq_path(struct seq_file *m, struct path *path, char *esc)
{