From 76fe3276be26cff2e609cdcfbc1265cf1dd72b2c Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Jun 2011 21:56:31 -0400 Subject: ->permission() sanitizing: document API changes Signed-off-by: Al Viro --- Documentation/filesystems/porting | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'Documentation/filesystems') diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 6e29954851a2..0eeb3954dea3 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -398,12 +398,16 @@ Currently you can only have FALLOC_FL_PUNCH_HOLE with FALLOC_FL_KEEP_SIZE set, so the i_size should not change when hole punching, even when puching the end of a file off. --- -[mandatory] - -- [mandatory] ->get_sb() is gone. Switch to use of ->mount(). Typically it's just a matter of switching from calling get_sb_... to mount_... and changing the function type. If you were doing it manually, just switch from setting ->mnt_root to some pointer to returning that pointer. On errors return ERR_PTR(...). + +-- +[mandatory] + ->permission(), generic_permission() and ->check_acl() have lost flags +argument; instead of passing IPERM_FLAG_RCU we add MAY_NOT_BLOCK into mask. + generic_permission() has also lost the check_acl argument; if you want +non-NULL to be used for that inode, put it into ->i_op->check_acl. -- cgit v1.2.3