aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/filesystems/porting
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2012-06-10 18:05:36 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-14 16:34:47 +0400
commitebfc3b49a7ac25920cb5be5445f602e51d2ea559 (patch)
treec3241f875dd04ab9f63b4e7ded7ed206e4df1b9f /Documentation/filesystems/porting
parent72bd866a01fc62ccbc466f3eb7599b14c937e96b (diff)
downloadkernel_goldelico_gta04-ebfc3b49a7ac25920cb5be5445f602e51d2ea559.zip
kernel_goldelico_gta04-ebfc3b49a7ac25920cb5be5445f602e51d2ea559.tar.gz
kernel_goldelico_gta04-ebfc3b49a7ac25920cb5be5445f602e51d2ea559.tar.bz2
don't pass nameidata to ->create()
boolean "does it have to be exclusive?" flag is passed instead; Local filesystem should just ignore it - the object is guaranteed not to be there yet. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'Documentation/filesystems/porting')
-rw-r--r--Documentation/filesystems/porting6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index 690f573..2bef2b3 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -436,3 +436,9 @@ d_make_root() drops the reference to inode if dentry allocation fails.
[mandatory]
The witch is dead! Well, 2/3 of it, anyway. ->d_revalidate() and
->lookup() do *not* take struct nameidata anymore; just the flags.
+--
+[mandatory]
+ ->create() doesn't take struct nameidata *; unlike the previous
+two, it gets "is it an O_EXCL or equivalent?" boolean argument. Note that
+local filesystems can ignore tha argument - they are guaranteed that the
+object doesn't exist. It's remote/distributed ones that might care...