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authorMatthew Wilcox <matthew.r.wilcox@intel.com>2015-02-17 00:59:12 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-17 02:56:03 +0100
commite748dcd095ddee50e7a7deda2e26247715318a2e (patch)
treefc76626987c4caa57a1511f671bc105a179d583e /fs/open.c
parentdax: replace XIP documentation with DAX documentation (diff)
downloadlinux-e748dcd095ddee50e7a7deda2e26247715318a2e.tar.xz
linux-e748dcd095ddee50e7a7deda2e26247715318a2e.zip
vfs: remove get_xip_mem
All callers of get_xip_mem() are now gone. Remove checks for it, initialisers of it, documentation of it and the only implementation of it. Also remove mm/filemap_xip.c as it is now empty. Also remove documentation of the long-gone get_xip_page(). Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com> Cc: Andreas Dilger <andreas.dilger@intel.com> Cc: Boaz Harrosh <boaz@plexistor.com> Cc: Christoph Hellwig <hch@lst.de> Cc: Dave Chinner <david@fromorbit.com> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@kernel.dk> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Ross Zwisler <ross.zwisler@linux.intel.com> Cc: Theodore Ts'o <tytso@mit.edu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/open.c b/fs/open.c
index 813be037b412..a293c2020676 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -667,11 +667,8 @@ int open_check_o_direct(struct file *f)
{
/* NB: we're sure to have correct a_ops only after f_op->open */
if (f->f_flags & O_DIRECT) {
- if (!f->f_mapping->a_ops ||
- ((!f->f_mapping->a_ops->direct_IO) &&
- (!f->f_mapping->a_ops->get_xip_mem))) {
+ if (!f->f_mapping->a_ops || !f->f_mapping->a_ops->direct_IO)
return -EINVAL;
- }
}
return 0;
}