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Commit 800d15a5 authored by Nick Piggin's avatar Nick Piggin Committed by Linus Torvalds
Browse files

implement simple fs aops 



Implement new aops for some of the simpler filesystems.

Signed-off-by: default avatarNick Piggin <npiggin@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 674b892e

fs/configfs/inode.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -41,8 +41,8 @@ extern struct super_block * configfs_sb; 




static const struct address_space_operations configfs_aops = {

static const struct address_space_operations configfs_aops = {

	.readpage	= simple_readpage,

	.readpage	= simple_readpage,

	.prepare_write	= simple_prepare_write,

	.write_begin	= simple_write_begin,

	.commit_write	= simple_commit_write

	.write_end	= simple_write_end,

};

};





static struct backing_dev_info configfs_backing_dev_info = {

static struct backing_dev_info configfs_backing_dev_info = {

fs/hugetlbfs/inode.c

+10 −6
Original line number Original line Diff line number Diff line
@@ -189,15 +189,19 @@ static int hugetlbfs_readpage(struct file *file, struct page * page) 
	return -EINVAL;

	return -EINVAL;

}

}





static int hugetlbfs_prepare_write(struct file *file,

static int hugetlbfs_write_begin(struct file *file,

			struct page *page, unsigned offset, unsigned to)

			struct address_space *mapping,

			loff_t pos, unsigned len, unsigned flags,

			struct page **pagep, void **fsdata)

{

{

	return -EINVAL;

	return -EINVAL;

}

}





static int hugetlbfs_commit_write(struct file *file,

static int hugetlbfs_write_end(struct file *file, struct address_space *mapping,

			struct page *page, unsigned offset, unsigned to)

			loff_t pos, unsigned len, unsigned copied,

			struct page *page, void *fsdata)

{

{

	BUG();

	return -EINVAL;

	return -EINVAL;

}

}
@@ -569,8 +573,8 @@ static void hugetlbfs_destroy_inode(struct inode *inode) 




static const struct address_space_operations hugetlbfs_aops = {

static const struct address_space_operations hugetlbfs_aops = {

	.readpage	= hugetlbfs_readpage,

	.readpage	= hugetlbfs_readpage,

	.prepare_write	= hugetlbfs_prepare_write,

	.write_begin	= hugetlbfs_write_begin,

	.commit_write	= hugetlbfs_commit_write,

	.write_end	= hugetlbfs_write_end,

	.set_page_dirty	= hugetlbfs_set_page_dirty,

	.set_page_dirty	= hugetlbfs_set_page_dirty,

};

};

fs/ramfs/file-mmu.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -29,8 +29,8 @@ 




const struct address_space_operations ramfs_aops = {

const struct address_space_operations ramfs_aops = {

	.readpage	= simple_readpage,

	.readpage	= simple_readpage,

	.prepare_write	= simple_prepare_write,

	.write_begin	= simple_write_begin,

	.commit_write	= simple_commit_write,

	.write_end	= simple_write_end,

	.set_page_dirty = __set_page_dirty_no_writeback,

	.set_page_dirty = __set_page_dirty_no_writeback,

};

};

fs/ramfs/file-nommu.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -29,8 +29,8 @@ static int ramfs_nommu_setattr(struct dentry *, struct iattr *); 




const struct address_space_operations ramfs_aops = {

const struct address_space_operations ramfs_aops = {

	.readpage		= simple_readpage,

	.readpage		= simple_readpage,

	.prepare_write		= simple_prepare_write,

	.write_begin		= simple_write_begin,

	.commit_write		= simple_commit_write,

	.write_end		= simple_write_end,

	.set_page_dirty		= __set_page_dirty_no_writeback,

	.set_page_dirty		= __set_page_dirty_no_writeback,

};

};

fs/sysfs/inode.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -24,8 +24,8 @@ extern struct super_block * sysfs_sb; 




static const struct address_space_operations sysfs_aops = {

static const struct address_space_operations sysfs_aops = {

	.readpage	= simple_readpage,

	.readpage	= simple_readpage,

	.prepare_write	= simple_prepare_write,

	.write_begin	= simple_write_begin,

	.commit_write	= simple_commit_write

	.write_end	= simple_write_end,

};

};





static struct backing_dev_info sysfs_backing_dev_info = {

static struct backing_dev_info sysfs_backing_dev_info = {