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Author SHA1 Message Date
David Howells
13f8e9810b SELinux: Institute file_path_has_perm() 
Create a file_path_has_perm() function that is like path_has_perm() but
instead takes a file struct that is the source of both the path and the
inode (rather than getting the inode from the dentry in the path).  This
is then used where appropriate.

This will be useful for situations like unionmount where it will be
possible to have an apparently-negative dentry (eg. a fallthrough) that is
open with the file struct pointing to an inode on the lower fs.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:14 +04:00
David Howells
c77cecee52 Replace a bunch of file->dentry->d_inode refs with file_inode() 
Replace a bunch of file->dentry->d_inode refs with file_inode().

In __fput(), use file->f_inode instead so as not to be affected by any tricks
that file_inode() might grow.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:13 +04:00
Al Viro
656d09df8f udf: provide ->tmpfile() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:12 +04:00
Al Viro
e6bbef9542 ext3 ->tmpfile() support 
In this case we do need a bit more than usual, due to orphan
list handling.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:12 +04:00
Al Viro
f4e0c30c19 allow the temp files created by open() to be linked to 
O_TMPFILE | O_CREAT => linkat() with AT_SYMLINK_FOLLOW and /proc/self/fd/<n>
as oldpath (i.e. flink()) will create a link
O_TMPFILE | O_CREAT | O_EXCL => ENOENT on attempt to link those guys

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:11 +04:00
Al Viro
60545d0d46 [O_TMPFILE] it's still short a few helpers, but infrastructure should be OK now... 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:10 +04:00
Al Viro
f9652e10c1 allow build_open_flags() to return an error 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:09 +04:00
Al Viro
50cd2c5776 lift file_*_write out of do_splice_direct() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:08 +04:00
Al Viro
500368f7fb lift file_*_write out of do_splice_from() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:08 +04:00
Al Viro
bc77daa783 do_last(): fix missing checks for LAST_BIND case 
/proc/self/cwd with O_CREAT should fail with EISDIR.  /proc/self/exe, OTOH,
should fail with ENOTDIR when opened with O_DIRECTORY.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:07 +04:00
Al Viro
0888c321de pcm_native: switch to fdget()/fdput() 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:06 +04:00
Al Viro
ac6614b764 [readdir] constify ->actor 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:05 +04:00
Al Viro
2233f31aad [readdir] ->readdir() is gone 
everything's converted to ->iterate()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:04 +04:00
Al Viro
2de5f059c4 [readdir] convert ecryptfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:04 +04:00
Al Viro
e924f25126 [readdir] convert coda 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:03 +04:00
Al Viro
3704412bdb [readdir] convert ocfs2 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:02 +04:00
Al Viro
2c6a2473b8 [readdir] convert fatfs 
... pox upon the idiotic ioctls; life would be much easier without
those.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:01 +04:00
Al Viro
b8227554c9 [readdir] convert xfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:00 +04:00
Al Viro
9cdda8d31f [readdir] convert btrfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:57:00 +04:00
Al Viro
8e28bc7e71 [readdir] convert hostfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:59 +04:00
Al Viro
1bbae9f818 [readdir] convert afs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:58 +04:00
Al Viro
76f582a8f6 [readdir] convert ncpfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:57 +04:00
Al Viro
e72514e7ad [readdir] convert hfsplus 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:56 +04:00
Al Viro
002f8bec85 [readdir] convert hfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:55 +04:00
Al Viro
f0f49ef5ce [readdir] convert befs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:55 +04:00
Al Viro
be4ccdcc25 [readdir] convert cifs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:54 +04:00
Al Viro
9b5d5a1707 [readdir] convert freevxfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:53 +04:00
Al Viro
8d3af7f333 [readdir] convert fuse 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:52 +04:00
Al Viro
568f8f5ec5 [readdir] convert hpfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:51 +04:00
Al Viro
cd62cdae0b reiserfs: switch reiserfs_readdir_dentry to inode 
... and clean the callers up a bit

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:51 +04:00
Al Viro
99ce4169a9 reiserfs: is_privroot_deh() needs only directory inode, actually 
... and that - only to get the superblock.  Privroot is a directory
and we don't allow hardlinks to those...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:50 +04:00
Al Viro
4acf381e1b [readdir] convert reiserfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:49 +04:00
Al Viro
956ce2083c [readdir] convert ntfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:48 +04:00
Al Viro
bfee7169c0 [readdir] convert isofs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:47 +04:00
Al Viro
0312fa7ccd [readdir] convert jffs2 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:47 +04:00
Al Viro
6f7f231e7b [readdir] convert f2fs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:46 +04:00
Al Viro
8f29843a51 [readdir] convert 9p 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:45 +04:00
Al Viro
0edf977d2a [readdir] convert affs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:44 +04:00
Al Viro
2638ffbac9 [readdir] convert adfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:44 +04:00
Al Viro
46d0733801 [readdir] convert logfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:43 +04:00
Al Viro
070a0ebf42 [readdir] convert jfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:42 +04:00
Al Viro
77acfa29e1 [readdir] convert ceph 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:41 +04:00
Al Viro
23db862060 [readdir] convert nfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:40 +04:00
Al Viro
725bebb278 [readdir] convert ext4 
and trim the living hell out bogosities in inline dir case

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:40 +04:00
Al Viro
4deb398a1b [readdir] convert qnx6 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:39 +04:00
Al Viro
663f4deca7 [readdir] convert qnx4 
... and use strnlen() instead of strlen() - it's done on untrusted data,
after all.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:38 +04:00
Al Viro
9fd4d05949 [readdir] convert omfs 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:37 +04:00
Al Viro
1616abe841 [readdir] convert nilfs2 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:36 +04:00
Al Viro
d55fea8ddb [readdir] convert sysfs 
get rid of the kludges in sysfs_readdir()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:36 +04:00
Al Viro
d81a8ef598 [readdir] convert gfs2 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 2013-06-29 12:56:35 +04:00