evie/android_kernel_oneplus_msm8998
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ext4: remove readpage() check in ext4_mmap_file()

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There is no kind of file which does not supply a page reading function.

Signed-off-by: Zhang Zhen <zhenzhang.zhang@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Zhang Zhen 2014-07-15 09:56:19 -04:00 • committed by Theodore Ts'o
parent 4f579ae7de
commit 590a141863
1 changed files with 0 additions and 4 deletions
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4
fs/ext4/file.c
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@ -200,10 +200,6 @@ static const struct vm_operations_struct ext4_file_vm_ops = {
static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma) static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
{ {
struct address_space *mapping = file->f_mapping;
if (!mapping->a_ops->readpage)
return -ENOEXEC;
file_accessed(file); file_accessed(file);
vma->vm_ops = &ext4_file_vm_ops; vma->vm_ops = &ext4_file_vm_ops;
return 0; return 0;