Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

[karo-tx-linux.git] / Documentation / printk-formats.txt

diff --git a/Documentation/printk-formats.txt b/Documentation/printk-formats.txt
index 44fc924ad008b5a5db9ce39376415b72524ca098..445ad743ec814ee4571c175884d3ccce4ffda11a 100644 (file)
--- a/Documentation/printk-formats.txt
+++ b/Documentation/printk-formats.txt
@@ -168,6 +168,15 @@ UUID/GUID addresses:
        Where no additional specifiers are used the default little endian
        order with lower case hex characters will be printed.
 
+dentry names:
+       %pd{,2,3,4}
+       %pD{,2,3,4}
+
+       For printing dentry name; if we race with d_move(), the name might be
+       a mix of old and new ones, but it won't oops.  %pd dentry is a safer
+       equivalent of %s dentry->d_name.name we used to use, %pd<n> prints
+       n last components.  %pD does the same thing for struct file.
+
 struct va_format:
 
        %pV