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authorMatthew Wilcox <matthew.r.wilcox@intel.com>2015-02-16 15:59:12 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-16 17:56:03 -0800
commite748dcd095ddee50e7a7deda2e26247715318a2e (patch)
treefc76626987c4caa57a1511f671bc105a179d583e /mm/fadvise.c
parent95ec8daba310b44302d2977dd54b16886527b681 (diff)
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 'mm/fadvise.c')
-rw-r--r--mm/fadvise.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/fadvise.c b/mm/fadvise.c
index fac23ecf8d72..4a3907cf79f8 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -28,6 +28,7 @@
SYSCALL_DEFINE4(fadvise64_64, int, fd, loff_t, offset, loff_t, len, int, advice)
{
struct fd f = fdget(fd);
+ struct inode *inode;
struct address_space *mapping;
struct backing_dev_info *bdi;
loff_t endbyte; /* inclusive */
@@ -39,7 +40,8 @@ SYSCALL_DEFINE4(fadvise64_64, int, fd, loff_t, offset, loff_t, len, int, advice)
if (!f.file)
return -EBADF;
- if (S_ISFIFO(file_inode(f.file)->i_mode)) {
+ inode = file_inode(f.file);
+ if (S_ISFIFO(inode->i_mode)) {
ret = -ESPIPE;
goto out;
}
@@ -50,7 +52,7 @@ SYSCALL_DEFINE4(fadvise64_64, int, fd, loff_t, offset, loff_t, len, int, advice)
goto out;
}
- if (mapping->a_ops->get_xip_mem) {
+ if (IS_DAX(inode)) {
switch (advice) {
case POSIX_FADV_NORMAL:
case POSIX_FADV_RANDOM: