diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-18 19:31:12 +0200 |
| commit | 3e370b29d35fb01bfb92c2814d6f79bf6a2cb970 (patch) | |
| tree | 3b8fb467d60bfe6a34686f4abdc3a60050ba40a4 /fs/ext4/file.c | |
| parent | 88d1dce3a74367291f65a757fbdcaf17f042f30c (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'linus' into x86/pci-ioapic-boot-irq-quirks
Conflicts:
drivers/pci/quirks.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/ext4/file.c')
| -rw-r--r-- | fs/ext4/file.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 4159be6366a..430eb7978db 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -123,6 +123,23 @@ force_commit: return ret; } +static struct vm_operations_struct ext4_file_vm_ops = { + .fault = filemap_fault, + .page_mkwrite = ext4_page_mkwrite, +}; + +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); + vma->vm_ops = &ext4_file_vm_ops; + vma->vm_flags |= VM_CAN_NONLINEAR; + return 0; +} + const struct file_operations ext4_file_operations = { .llseek = generic_file_llseek, .read = do_sync_read, @@ -133,7 +150,7 @@ const struct file_operations ext4_file_operations = { #ifdef CONFIG_COMPAT .compat_ioctl = ext4_compat_ioctl, #endif - .mmap = generic_file_mmap, + .mmap = ext4_file_mmap, .open = generic_file_open, .release = ext4_release_file, .fsync = ext4_sync_file, @@ -144,6 +161,7 @@ const struct file_operations ext4_file_operations = { const struct inode_operations ext4_file_inode_operations = { .truncate = ext4_truncate, .setattr = ext4_setattr, + .getattr = ext4_getattr, #ifdef CONFIG_EXT4DEV_FS_XATTR .setxattr = generic_setxattr, .getxattr = generic_getxattr, |