Commit graph android_kernel_sony_sdm845/fs/statfs.c
Message SHA1
switch statfs to fget_light/fput_light
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Al Viro   commited 2012-05-29 23:28:31 -04:00
0aa2ee5f0a
fs: reduce the use of module.h wherever possible
For files only using THIS_MODULE and/or EXPORT_SYMBOL, map
them onto including export.h -- or if the file isn't even
using those, then just delete the include.  Fix up any implicit
include dependencies that were being masked by module.h along
the way.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>

Paul Gortmaker   commited 2012-02-28 19:31:58 -05:00
630d9c4727
vfs: new helper - vfs_ustat()
... and bury user_get_super()/statfs_by_dentry() - they are
purely internal now.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Al Viro   commited 2012-01-03 22:53:07 -05:00
cf31e70d6c
VFS: fix statfs() automounter semantics regression
No one in their right mind would expect statfs() to not work on a
automounter managed mount point. Fix it.

[ I'm not sure about the "no one in their right mind" part.  It's not
  mounted, and you didn't ask for it to be mounted.  But nobody will
  really care, and this probably makes it match previous semantics, so..
      - Linus ]

This mirrors the fix made to the quota code in 815d405cef.

Signed-off-by: Dan McGee <dpmcgee@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Dan McGee   authored and   Linus Torvalds   commited 2011-11-04 18:15:59 -07:00
5c8a0fbba5
clean statfs-like syscalls up
New helpers: user_statfs() and fd_statfs(), taking userland pathname and
descriptor resp. and filling struct kstatfs.  Syscalls of statfs family
(native, compat and foreign - osf and hpux on alpha and parisc resp.)
switched to those.  Removes some boilerplate code, simplifies cleanup
on errors...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Al Viro   commited 2011-03-14 09:15:28 -04:00
c8b91accfa
add f_flags to struct statfs(64)
Add a flags field to help glibc implementing statvfs(3) efficiently.

We copy the flag values from glibc, and add a new ST_VALID flag to
denote that f_flags is implemented.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Christoph Hellwig   authored and   Al Viro   commited 2010-08-09 16:48:44 -04:00
365b181897
pass a struct path to vfs_statfs
We'll need the path to implement the flags field for statvfs support.
We do have it available in all callers except:

 - ecryptfs_statfs.  This one doesn't actually need vfs_statfs but just
   needs to do a caller to the lower filesystem statfs method.
 - sys_ustat.  Add a non-exported statfs_by_dentry helper for it which
   doesn't won't be able to fill out the flags field later on.

In addition rename the helpers for statfs vs fstatfs to do_*statfs instead
of the misleading vfs prefix.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Christoph Hellwig   authored and   Al Viro   commited 2010-08-09 16:48:42 -04:00
ebabe9a900
Take statfs variants to fs/statfs.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Al Viro   commited 2010-05-21 18:31:17 -04:00
7ed1ee6118