linux-toradex.git/fs/fuse/dir.c, branch v3.0.34 Linux kernel for Apalis and Colibri modules fuse: remove unnecessary dentry_unhash on rmdir, dir rename 2011-05-28T05:02:53+00:00 Sage Weil sage@newdream.net 2011-05-27T20:42:15+00:00 526e7ce5528c8addcf154acec41b615f71dce7e1 Fuse has no problems with references to unlinked directories. CC: Miklos Szeredi <miklos@szeredi.hu> CC: fuse-devel@lists.sourceforge.net Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Fuse has no problems with references to unlinked directories.

CC: Miklos Szeredi <miklos@szeredi.hu>
CC: fuse-devel@lists.sourceforge.net
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2011-05-26T16:52:14+00:00 Linus Torvalds torvalds@linux-foundation.org 2011-05-26T16:52:14+00:00 32e51f141fd8d880f57b6a2eb53ce72856254d4a * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (25 commits) cifs: remove unnecessary dentry_unhash on rmdir/rename_dir ocfs2: remove unnecessary dentry_unhash on rmdir/rename_dir exofs: remove unnecessary dentry_unhash on rmdir/rename_dir nfs: remove unnecessary dentry_unhash on rmdir/rename_dir ext2: remove unnecessary dentry_unhash on rmdir/rename_dir ext3: remove unnecessary dentry_unhash on rmdir/rename_dir ext4: remove unnecessary dentry_unhash on rmdir/rename_dir btrfs: remove unnecessary dentry_unhash in rmdir/rename_dir ceph: remove unnecessary dentry_unhash calls vfs: clean up vfs_rename_other vfs: clean up vfs_rename_dir vfs: clean up vfs_rmdir vfs: fix vfs_rename_dir for FS_RENAME_DOES_D_MOVE filesystems libfs: drop unneeded dentry_unhash vfs: update dentry_unhash() comment vfs: push dentry_unhash on rename_dir into file systems vfs: push dentry_unhash on rmdir into file systems vfs: remove dget() from dentry_unhash() vfs: dentry_unhash immediately prior to rmdir vfs: Block mmapped writes while the fs is frozen ... 
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: (25 commits)
  cifs: remove unnecessary dentry_unhash on rmdir/rename_dir
  ocfs2: remove unnecessary dentry_unhash on rmdir/rename_dir
  exofs: remove unnecessary dentry_unhash on rmdir/rename_dir
  nfs: remove unnecessary dentry_unhash on rmdir/rename_dir
  ext2: remove unnecessary dentry_unhash on rmdir/rename_dir
  ext3: remove unnecessary dentry_unhash on rmdir/rename_dir
  ext4: remove unnecessary dentry_unhash on rmdir/rename_dir
  btrfs: remove unnecessary dentry_unhash in rmdir/rename_dir
  ceph: remove unnecessary dentry_unhash calls
  vfs: clean up vfs_rename_other
  vfs: clean up vfs_rename_dir
  vfs: clean up vfs_rmdir
  vfs: fix vfs_rename_dir for FS_RENAME_DOES_D_MOVE filesystems
  libfs: drop unneeded dentry_unhash
  vfs: update dentry_unhash() comment
  vfs: push dentry_unhash on rename_dir into file systems
  vfs: push dentry_unhash on rmdir into file systems
  vfs: remove dget() from dentry_unhash()
  vfs: dentry_unhash immediately prior to rmdir
  vfs: Block mmapped writes while the fs is frozen
  ...
vfs: push dentry_unhash on rename_dir into file systems 2011-05-26T11:26:48+00:00 Sage Weil sage@newdream.net 2011-05-24T20:06:07+00:00 e4eaac06bcccb2a70bca6a2de9871882dce2aa14 Only a few file systems need this. Start by pushing it down into each rename method (except gfs2 and xfs) so that it can be dealt with on a per-fs basis. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Only a few file systems need this.  Start by pushing it down into each
rename method (except gfs2 and xfs) so that it can be dealt with on a
per-fs basis.

Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
vfs: push dentry_unhash on rmdir into file systems 2011-05-26T11:26:47+00:00 Sage Weil sage@newdream.net 2011-05-24T20:06:06+00:00 79bf7c732b5ff75b96022ed9d29181afd3d2509c Only a few file systems need this. Start by pushing it down into each fs rmdir method (except gfs2 and xfs) so it can be dealt with on a per-fs basis. This does not change behavior for any in-tree file systems. Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Only a few file systems need this.  Start by pushing it down into each
fs rmdir method (except gfs2 and xfs) so it can be dealt with on a per-fs
basis.

This does not change behavior for any in-tree file systems.

Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fuse: fix oops in revalidate when called with NULL nameidata 2011-05-10T15:35:58+00:00 Miklos Szeredi mszeredi@suse.cz 2011-05-10T15:35:58+00:00 d24339059d640f108c08ba99ef30e3bafa10f8e4 Some cases (e.g. ecryptfs) can call ->dentry_revalidate with NULL nameidata. https://bugzilla.kernel.org/show_bug.cgi?id=34732 Tyler Hicks pointed out that this bug was introduced by commit e7c0a16786 "fuse: make fuse_dentry_revalidate() RCU aware" Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> 
Some cases (e.g. ecryptfs) can call ->dentry_revalidate with NULL
nameidata.

https://bugzilla.kernel.org/show_bug.cgi?id=34732

Tyler Hicks pointed out that this bug was introduced by commit
e7c0a16786 "fuse: make fuse_dentry_revalidate() RCU aware"

Reported-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
fuse: make fuse_dentry_revalidate() RCU aware 2011-03-21T12:58:06+00:00 Miklos Szeredi mszeredi@suse.cz 2011-03-21T12:58:06+00:00 e7c0a167860620bd2938366896964f729ddaeaaa Only bail out of fuse_dentry_revalidate() on LOOKUP_RCU when blocking is actually necessary. CC: Nick Piggin <npiggin@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> 
Only bail out of fuse_dentry_revalidate() on LOOKUP_RCU when blocking
is actually necessary.

CC: Nick Piggin <npiggin@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
fuse: make fuse_permission() RCU aware 2011-03-21T12:58:06+00:00 Miklos Szeredi mszeredi@suse.cz 2011-03-21T12:58:06+00:00 19690ddb65dbfc7be1b411fce12d3332acefbfb5 Only bail out of fuse_permission() on IPERM_FLAG_RCU when blocking is actually necessary. CC: Nick Piggin <npiggin@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> 
Only bail out of fuse_permission() on IPERM_FLAG_RCU when blocking is
actually necessary.

CC: Nick Piggin <npiggin@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
fuse: fix d_revalidate oopsen on NFS exports 2011-03-10T08:44:31+00:00 Al Viro viro@zeniv.linux.org.uk 2011-03-10T08:44:31+00:00 529c5f958f9e60abaa7407986034b17d17536bf2 can't blindly check nd->flags in ->d_revalidate() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
can't blindly check nd->flags in ->d_revalidate()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fuse: fix truncate after open 2011-02-25T13:44:58+00:00 Miklos Szeredi mszeredi@suse.cz 2011-02-25T13:44:58+00:00 8d56addd70c7c0626502569e22cc8fce49ae39f5 Commit e1181ee6 "vfs: pass struct file to do_truncate on O_TRUNC opens" broke the behavior of open(O_TRUNC|O_RDONLY) in fuse. Fuse assumed that when called from open, a truncate() will be done, not an ftruncate(). Fix by restoring the old behavior, based on the ATTR_OPEN flag. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> 
Commit e1181ee6 "vfs: pass struct file to do_truncate on O_TRUNC
opens" broke the behavior of open(O_TRUNC|O_RDONLY) in fuse.  Fuse
assumed that when called from open, a truncate() will be done, not an
ftruncate().

Fix by restoring the old behavior, based on the ATTR_OPEN flag.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
switch fuse 2011-01-13T01:02:44+00:00 Al Viro viro@zeniv.linux.org.uk 2010-12-18T16:15:22+00:00 c35eebe9939f55b9d51631d03301a7af19090dcc Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>