wrapfs-4.12.y.git
3 years agoWrapfs: add ->bmap support wrapfs
Erez Zadok [Fri, 13 May 2022 23:47:11 +0000 (19:47 -0400)]
Wrapfs: add ->bmap support

Signed-off-by: Aditya Sonavane <aditya.sonavane@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.stonybrook.edu>
3 years agowrapfs: copyright year update
Erez Zadok [Sat, 7 May 2022 22:13:36 +0000 (18:13 -0400)]
wrapfs: copyright year update

3 years agowrapfs: change http URLs to https
Erez Zadok [Sat, 7 May 2022 20:49:22 +0000 (16:49 -0400)]
wrapfs: change http URLs to https

5 years agomerge changes
Erez Zadok [Mon, 16 Dec 2019 00:03:35 +0000 (19:03 -0500)]
merge changes

5 years agowrapfs: update copyright
Erez Zadok [Sat, 14 Dec 2019 05:07:54 +0000 (00:07 -0500)]
wrapfs: update copyright

5 years agowrapfs: remove unused variable
Erez Zadok [Sat, 14 Dec 2019 04:23:09 +0000 (23:23 -0500)]
wrapfs: remove unused variable

5 years agoWrapfs: remove obsolete ->readlink, update ->get_link guilt/wrapfs
Erez Zadok [Wed, 11 Dec 2019 05:05:27 +0000 (00:05 -0500)]
Wrapfs: remove obsolete ->readlink, update ->get_link

Use proper callbacks to free lower/upper symlink buffers.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoupdate copyright
Erez Zadok [Fri, 29 Mar 2019 20:47:11 +0000 (16:47 -0400)]
update copyright

6 years agofix spell error
Erez Zadok [Fri, 29 Mar 2019 20:41:17 +0000 (16:41 -0400)]
fix spell error

6 years agoWrapfs: mmap fixes. fault/mkwrite do not take vma param any longer.
Erez Zadok [Sun, 3 Feb 2019 22:54:22 +0000 (17:54 -0500)]
Wrapfs: mmap fixes. fault/mkwrite do not take vma param any longer.

6 years agoMerge branch 'master' into wrapfs
Rohit Kumar [Sun, 11 Nov 2018 08:29:52 +0000 (03:29 -0500)]
Merge branch 'master' into wrapfs

Updated from linuxs-4.14.0 to linux-4.14.12 on top of wrapfs

6 years agoCompilation error fix - Wrafs 4.11
root [Fri, 5 Oct 2018 20:18:53 +0000 (16:18 -0400)]
Compilation error fix - Wrafs 4.11

6 years agoFixed compilation issues
Rohit Kumar [Wed, 3 Oct 2018 19:25:25 +0000 (15:25 -0400)]
Fixed compilation issues

6 years agoWrapfs: ->iget fixes
Erez Zadok [Sat, 18 Feb 2017 22:32:04 +0000 (17:32 -0500)]
Wrapfs: ->iget fixes

Change where we igrab/iput to ensure we always hold a valid lower_inode.
Return ENOMEM (not EACCES) if iget5_locked returns NULL.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update copyrights for 2017
Erez Zadok [Sat, 18 Feb 2017 19:30:21 +0000 (14:30 -0500)]
Wrapfs: update copyrights for 2017

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new ->rename API
Erez Zadok [Wed, 28 Dec 2016 00:49:24 +0000 (19:49 -0500)]
Wrapfs: use new ->rename API

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new xattr API
Erez Zadok [Wed, 28 Dec 2016 00:49:24 +0000 (19:49 -0500)]
Wrapfs: use new xattr API

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new full_name_hash() prototype
Erez Zadok [Wed, 28 Dec 2016 00:49:24 +0000 (19:49 -0500)]
Wrapfs: use new full_name_hash() prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: inode_change_ok renamed setattr_prepare
Erez Zadok [Wed, 28 Dec 2016 00:49:24 +0000 (19:49 -0500)]
Wrapfs: inode_change_ok renamed setattr_prepare

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new prototype for ->getxattr
Erez Zadok [Sun, 22 May 2016 03:46:41 +0000 (23:46 -0400)]
Wrapfs: use new prototype for ->getxattr

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: support NFS exports
Erez Zadok [Sun, 22 May 2016 03:34:10 +0000 (23:34 -0400)]
Wrapfs: support NFS exports

Based on patch from Sandeep Joshi <sanjos100@gmail.com>.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use d_splice_alias
Erez Zadok [Sun, 22 May 2016 03:34:10 +0000 (23:34 -0400)]
Wrapfs: use d_splice_alias

Refactor interpose code to allow lookup to use d_splice_alias.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new ->direct_IO prototype
Erez Zadok [Sun, 22 May 2016 03:33:44 +0000 (23:33 -0400)]
Wrapfs: use new ->direct_IO prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use inode_un/lock helper macros
Erez Zadok [Sun, 3 Apr 2016 21:22:07 +0000 (17:22 -0400)]
Wrapfs: use inode_un/lock helper macros

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new get_link operation
Erez Zadok [Sun, 3 Apr 2016 21:22:07 +0000 (17:22 -0400)]
Wrapfs: use new get_link operation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update copyright year to 2015
Erez Zadok [Wed, 4 Nov 2015 02:19:11 +0000 (21:19 -0500)]
Wrapfs: update copyright year to 2015

6 years agoWrapfs: use vfs xattr helpers
Erez Zadok [Wed, 4 Nov 2015 02:16:58 +0000 (21:16 -0500)]
Wrapfs: use vfs xattr helpers

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update follow_link
Erez Zadok [Sat, 5 Sep 2015 03:23:14 +0000 (23:23 -0400)]
Wrapfs: update follow_link

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update ->direct_IO op prototype
Erez Zadok [Sat, 5 Sep 2015 03:13:21 +0000 (23:13 -0400)]
Wrapfs: update ->direct_IO op prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use d_inode macro
Erez Zadok [Sat, 5 Sep 2015 03:12:21 +0000 (23:12 -0400)]
Wrapfs: use d_inode macro

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove aio_read/write ops
Erez Zadok [Sat, 5 Sep 2015 03:11:21 +0000 (23:11 -0400)]
Wrapfs: remove aio_read/write ops

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: properly copy meta-data after AIO operations from lower inode
Erez Zadok [Sat, 16 Aug 2014 02:48:32 +0000 (22:48 -0400)]
Wrapfs: properly copy meta-data after AIO operations from lower inode

Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: leave placeholders for updating upper inode after AIO
Erez Zadok [Mon, 11 Aug 2014 22:10:35 +0000 (18:10 -0400)]
Wrapfs: leave placeholders for updating upper inode after AIO

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: protect lower_file by ref-count during aio operation
Erez Zadok [Sun, 10 Aug 2014 04:40:56 +0000 (00:40 -0400)]
Wrapfs: protect lower_file by ref-count during aio operation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
6 years agoWrapfs: add read_iter/write_iter opeations
Erez Zadok [Sun, 10 Aug 2014 04:40:56 +0000 (00:40 -0400)]
Wrapfs: add read_iter/write_iter opeations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
6 years agoWrapfs: update to new direct_IO interface
Erez Zadok [Sun, 10 Aug 2014 04:40:56 +0000 (00:40 -0400)]
Wrapfs: update to new direct_IO interface

Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update wrapfs_fsync
Erez Zadok [Sat, 26 Jul 2014 23:06:53 +0000 (19:06 -0400)]
Wrapfs: update wrapfs_fsync

In v3.16 generic_file_fsync will access ->i_sb->s_bdev->bd_disk, but
s_bdev is NULL for wrapfs inode.  This will trigger a kernel panic in
xfstests generic/075, generic/091, etc. as of  kernel v3.16-rc1.

This patch fixes this issue by using __generic_file_fsync, a new
interface introduced in v3.16.

Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: fix ->llseek to update upper and lower offsets
Erez Zadok [Thu, 26 Jun 2014 02:37:16 +0000 (22:37 -0400)]
Wrapfs: fix ->llseek to update upper and lower offsets

Fixes bug: xfstests generic/257. f_pos consistently is required by and
only by dir_ops->wrapfs_readdir, main_ops is not affected.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
6 years ago Wrapfs: support extended attributes (xattr) operations
Erez Zadok [Thu, 26 Jun 2014 02:30:27 +0000 (22:30 -0400)]
 Wrapfs: support extended attributes (xattr) operations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Signed-off-by: Mengyang Li <li.mengyang@stonybrook.edu>
6 years agoWrapfs: support asynchronous-IO (AIO) operations
Erez Zadok [Fri, 20 Jun 2014 23:40:04 +0000 (19:40 -0400)]
Wrapfs: support asynchronous-IO (AIO) operations

Signed-off-by: Li Mengyang <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: support direct-IO (DIO) operations
Erez Zadok [Fri, 20 Jun 2014 23:39:40 +0000 (19:39 -0400)]
Wrapfs: support direct-IO (DIO) operations

Signed-off-by: Li Mengyang <li.mengyang@stonybrook.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: implement vm_ops->page_mkwrite
Erez Zadok [Thu, 15 May 2014 03:45:28 +0000 (23:45 -0400)]
Wrapfs: implement vm_ops->page_mkwrite

Some file systems (e.g., ext4) require it.  Reported by Ted Ts'o.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use new vfs_rename prototype
Erez Zadok [Sun, 27 Apr 2014 02:43:20 +0000 (22:43 -0400)]
Wrapfs: use new vfs_rename prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update documentation
Erez Zadok [Thu, 3 Apr 2014 17:24:28 +0000 (13:24 -0400)]
Wrapfs: update documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update maintainers
Erez Zadok [Thu, 3 Apr 2014 17:17:55 +0000 (13:17 -0400)]
Wrapfs: update maintainers

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update documentation
Erez Zadok [Tue, 21 Jan 2014 08:03:00 +0000 (03:03 -0500)]
Wrapfs: update documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: 2014 Copyright update
Erez Zadok [Tue, 21 Jan 2014 06:25:54 +0000 (01:25 -0500)]
Wrapfs: 2014 Copyright update

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use generic put_link helper
Erez Zadok [Wed, 27 Nov 2013 04:05:22 +0000 (23:05 -0500)]
Wrapfs: use generic put_link helper

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove unnecessary initializations
Erez Zadok [Wed, 27 Nov 2013 04:03:46 +0000 (23:03 -0500)]
Wrapfs: remove unnecessary initializations

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove deprecated init_lower_nd
Erez Zadok [Sun, 24 Nov 2013 16:12:07 +0000 (11:12 -0500)]
Wrapfs: remove deprecated init_lower_nd

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update MAINTAINERS info
Erez Zadok [Wed, 20 Nov 2013 00:00:00 +0000 (19:00 -0500)]
Wrapfs: update MAINTAINERS info

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agopatch wrapfs-copyright-update.patch
Erez Zadok [Tue, 19 Nov 2013 23:59:47 +0000 (18:59 -0500)]
patch wrapfs-copyright-update.patch

6 years agoWrapfs: use DCACHE_OP_REVALIDATE flag in ->d_revalidate
Erez Zadok [Tue, 19 Nov 2013 22:23:31 +0000 (17:23 -0500)]
Wrapfs: use DCACHE_OP_REVALIDATE flag in ->d_revalidate

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: implement ->getattr
Erez Zadok [Tue, 19 Nov 2013 22:22:31 +0000 (17:22 -0500)]
Wrapfs: implement ->getattr

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use file_inode helper
Erez Zadok [Tue, 19 Nov 2013 22:21:31 +0000 (17:21 -0500)]
Wrapfs: use file_inode helper

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: call filemap_write_and_wait in ->flush
Erez Zadok [Tue, 19 Nov 2013 22:20:31 +0000 (17:20 -0500)]
Wrapfs: call filemap_write_and_wait in ->flush

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: handle new VFS API with delegation support
Erez Zadok [Tue, 19 Nov 2013 22:19:31 +0000 (17:19 -0500)]
Wrapfs: handle new VFS API with delegation support

For now, wrapfs isn't supporting NFS delegations.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoVFS: export vfs_path_lookup
Erez Zadok [Tue, 19 Nov 2013 22:18:31 +0000 (17:18 -0500)]
VFS: export vfs_path_lookup

In 3.12, this useful function was unexported: wrapfs needs a way to lookup
relative to a struct path and use a proper vfsmount, unlike lookup_one_len.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: ->readdir op now ->iterate
Erez Zadok [Tue, 19 Nov 2013 22:17:31 +0000 (17:17 -0500)]
Wrapfs: ->readdir op now ->iterate

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: copy lower inode attributes in ->ioctl
Erez Zadok [Wed, 5 Jun 2013 05:36:58 +0000 (01:36 -0400)]
Wrapfs: copy lower inode attributes in ->ioctl

Some ioctls (e.g., EXT2_IOC_SETFLAGS) can change inode attributes, so copy
them from lower inode.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove unnecessary call to vm_unmap in ->mmap
Erez Zadok [Wed, 5 Jun 2013 05:36:58 +0000 (01:36 -0400)]
Wrapfs: remove unnecessary call to vm_unmap in ->mmap

Code is unnecessary and causes deadlocks in newer kernels.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: declare MODULE_ALIAS_FS
Erez Zadok [Wed, 5 Jun 2013 03:19:32 +0000 (23:19 -0400)]
Wrapfs: declare MODULE_ALIAS_FS

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: don't use FS_REVAL_DOT in fs_flags
Erez Zadok [Wed, 5 Jun 2013 03:19:32 +0000 (23:19 -0400)]
Wrapfs: don't use FS_REVAL_DOT in fs_flags

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove dependency on now-defunct CONFIG_EXPERIMENTAL
Erez Zadok [Wed, 5 Jun 2013 03:19:31 +0000 (23:19 -0400)]
Wrapfs: remove dependency on now-defunct CONFIG_EXPERIMENTAL

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: dentry_open() no longer does mntput/dput
Erez Zadok [Wed, 5 Jun 2013 03:19:31 +0000 (23:19 -0400)]
Wrapfs: dentry_open() no longer does mntput/dput

We need to grab a reference on the path before dentry_open, and drop it
after.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: no need to call mnt_want_write any longer
Erez Zadok [Wed, 5 Jun 2013 03:19:30 +0000 (23:19 -0400)]
Wrapfs: no need to call mnt_want_write any longer

Apparently this is now being done by the VFS.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove VM_CAN_NONLINEAR flag use in ->mmap
Erez Zadok [Wed, 5 Jun 2013 03:19:30 +0000 (23:19 -0400)]
Wrapfs: remove VM_CAN_NONLINEAR flag use in ->mmap

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: ->lookup takes flags not a nameidata
Erez Zadok [Wed, 5 Jun 2013 03:19:29 +0000 (23:19 -0400)]
Wrapfs: ->lookup takes flags not a nameidata

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: ->create no longer takes a nameidata, only a flag
Erez Zadok [Wed, 5 Jun 2013 03:19:29 +0000 (23:19 -0400)]
Wrapfs: ->create no longer takes a nameidata, only a flag

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: ->d_revalidate now takes namei flags, not nameidata
Erez Zadok [Wed, 5 Jun 2013 03:19:29 +0000 (23:19 -0400)]
Wrapfs: ->d_revalidate now takes namei flags, not nameidata

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: struct nameidata no longer has an open-intent data
Erez Zadok [Wed, 5 Jun 2013 03:19:28 +0000 (23:19 -0400)]
Wrapfs: struct nameidata no longer has an open-intent data

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: dentry_open now takes a struct path
Erez Zadok [Wed, 5 Jun 2013 03:19:28 +0000 (23:19 -0400)]
Wrapfs: dentry_open now takes a struct path

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use vm_munmap in ->mmap
Erez Zadok [Wed, 5 Jun 2013 03:19:27 +0000 (23:19 -0400)]
Wrapfs: use vm_munmap in ->mmap

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use clear_inode in evict_inode
Erez Zadok [Wed, 5 Jun 2013 03:19:27 +0000 (23:19 -0400)]
Wrapfs: use clear_inode in evict_inode

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use d_make_root
Erez Zadok [Wed, 5 Jun 2013 03:19:26 +0000 (23:19 -0400)]
Wrapfs: use d_make_root

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use mode_t
Erez Zadok [Tue, 31 Jan 2012 09:40:19 +0000 (04:40 -0500)]
Wrapfs: use mode_t

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use set_nlink()
Erez Zadok [Mon, 30 Jan 2012 01:34:27 +0000 (20:34 -0500)]
Wrapfs: use set_nlink()

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: drop our dentry in ->rmdir
Erez Zadok [Fri, 9 Sep 2011 04:47:49 +0000 (00:47 -0400)]
Wrapfs: drop our dentry in ->rmdir

Also clear nlinks on our inode.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use d_alloc_root
Erez Zadok [Tue, 6 Sep 2011 04:10:32 +0000 (00:10 -0400)]
Wrapfs: use d_alloc_root

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use d_set_d_op
Erez Zadok [Tue, 6 Sep 2011 04:10:31 +0000 (00:10 -0400)]
Wrapfs: use d_set_d_op

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: use updated vfs_path_lookup prototype
Erez Zadok [Tue, 6 Sep 2011 04:10:30 +0000 (00:10 -0400)]
Wrapfs: use updated vfs_path_lookup prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: ->fsync updates for new prototype
Erez Zadok [Tue, 6 Sep 2011 04:10:30 +0000 (00:10 -0400)]
Wrapfs: ->fsync updates for new prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: support LOOKUP_RCU in ->d_revalidate
Erez Zadok [Tue, 6 Sep 2011 04:10:29 +0000 (00:10 -0400)]
Wrapfs: support LOOKUP_RCU in ->d_revalidate

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: new ->permission prototype and fixes.
Erez Zadok [Tue, 6 Sep 2011 04:10:28 +0000 (00:10 -0400)]
Wrapfs: new ->permission prototype and fixes.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: lookup fixes
Erez Zadok [Mon, 2 May 2011 06:00:02 +0000 (02:00 -0400)]
Wrapfs: lookup fixes

Don't use lookup_one_len any longer (doesn't work for NFS).
Initialize lower wrapfs_dentry_info so lower_path is NULL.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove extra debug in rmdir
Erez Zadok [Fri, 18 Mar 2011 17:14:28 +0000 (13:14 -0400)]
Wrapfs: remove extra debug in rmdir

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: checkpatch fixes
Erez Zadok [Fri, 18 Mar 2011 16:38:01 +0000 (12:38 -0400)]
Wrapfs: checkpatch fixes

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: port to 2.6.39
Erez Zadok [Fri, 18 Mar 2011 04:45:17 +0000 (00:45 -0400)]
Wrapfs: port to 2.6.39

Remove lock/unlock_kernel in ->fasync.
Convert from ->get_sb to ->mount op.
Remove include to smp_lock.h, added sched.h.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: copyright update for 2011
Erez Zadok [Fri, 18 Mar 2011 03:21:55 +0000 (23:21 -0400)]
Wrapfs: copyright update for 2011

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: better handling of NFS silly-renamed files
Erez Zadok [Fri, 18 Mar 2011 03:21:55 +0000 (23:21 -0400)]
Wrapfs: better handling of NFS silly-renamed files

In ->unlink, if we try to unlink an NFS silly-renamed file, NFS returns
-EBUSY.  We have to treat it as a success and return 0 to the VFS.  NFS will
remove silly-deleted files later on anyway.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update parent directory inode size in inode ops
Erez Zadok [Fri, 18 Mar 2011 03:21:55 +0000 (23:21 -0400)]
Wrapfs: update parent directory inode size in inode ops

After ->unlink, ->rmdir, and ->rename, we need to copy the (possibly
changed) inode size of the parent directory(ies) where the operation took
place.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: remove unnecessary calls to copy lower inode->n_links
Erez Zadok [Fri, 18 Mar 2011 03:21:55 +0000 (23:21 -0400)]
Wrapfs: remove unnecessary calls to copy lower inode->n_links

Removed from ->create, ->symlink, and ->mknod.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: ->setattr fixes
Erez Zadok [Tue, 8 Mar 2011 04:20:33 +0000 (23:20 -0500)]
Wrapfs: ->setattr fixes

Call inode_change_ok on our inode, not lower.
Don't copy inode sizes (VFS does it).
Pass lower file in struct iattr passed to notify_change on lower inode.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update ->permission prototye and code for new iperm flag
Erez Zadok [Sun, 6 Mar 2011 21:23:16 +0000 (16:23 -0500)]
Wrapfs: update ->permission prototye and code for new iperm flag

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: handle maxbytes properly
Erez Zadok [Fri, 12 Nov 2010 23:15:05 +0000 (18:15 -0500)]
Wrapfs: handle maxbytes properly

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: support ->unlocked_ioctl and ->compat_ioctl
Erez Zadok [Sat, 11 Sep 2010 19:49:33 +0000 (15:49 -0400)]
Wrapfs: support ->unlocked_ioctl and ->compat_ioctl

Old ->ioctl was split into ->unlocked_ioctl and ->compat_ioctl.  Compat
version doesn't need to lock_kernel any longer.

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: new vfs_statfs and ->evict_inode prototypes
Erez Zadok [Wed, 11 Aug 2010 03:50:14 +0000 (23:50 -0400)]
Wrapfs: new vfs_statfs and ->evict_inode prototypes

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update ->fsync prototype
Erez Zadok [Sat, 7 Aug 2010 03:37:29 +0000 (23:37 -0400)]
Wrapfs: update ->fsync prototype

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: update documentation
Erez Zadok [Wed, 21 Apr 2010 01:22:02 +0000 (21:22 -0400)]
Wrapfs: update documentation

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
6 years agoWrapfs: include slab.h
Erez Zadok [Tue, 20 Apr 2010 19:32:09 +0000 (15:32 -0400)]
Wrapfs: include slab.h

Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>