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VFS: swap do_ioctl and vfs_ioctl names

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Rename old vfs_ioctl to do_ioctl, because the comment above it clearly
indicates that it is an internal function not to be exported to modules;
therefore it should have a more traditional do_XXX name.  The new do_ioctl
is exported in fs.h but not to modules.

Rename the old do_ioctl to vfs_ioctl because the names vfs_XXX should
preferably be reserved to callable VFS functions which modules may call, as
many other vfs_XXX functions already do.  Export the new vfs_ioctl to GPL
modules so others can use it (including Unionfs and eCryptfs).  Add DocBook
for new vfs_ioctl.

[akpm@linux-foundation.org: fix build]
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Erez Zadok 2008-02-07 00:13:25 -08:00 • committed by Linus Torvalds
parent c9845ff1df
commit deb21db778
3 changed files with 24 additions and 10 deletions
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2
fs/compat_ioctl.c
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@ -2986,7 +2986,7 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
}
do_ioctl:
error = vfs_ioctl(filp, fd, cmd, arg);
error = do_vfs_ioctl(filp, fd, cmd, arg);
out_fput:
fput_light(filp, fput_needed);
out: