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Commit f7557e8f authored by Vladimir Saveliev's avatar Vladimir Saveliev Committed by Linus Torvalds
Browse files

reiserfs: use generic_cont_expand_simple 



This patch makes reiserfs to use AOP_FLAG_CONT_EXPAND
in order to get rid of the special generic_cont_expand routine

Signed-off-by: default avatarVladimir Saveliev <vs@namesys.com>
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 ba9d8cec

fs/reiserfs/inode.c

+11 −2
Original line number Diff line number Diff line
@@ -2562,13 +2562,20 @@ static int reiserfs_write_begin(struct file *file, 
	int ret;

	int old_ref = 0;



 	inode = mapping->host;

	*fsdata = 0;

 	if (flags & AOP_FLAG_CONT_EXPAND &&

 	    (pos & (inode->i_sb->s_blocksize - 1)) == 0) {

 		pos ++;

		*fsdata = (void *)(unsigned long)flags;

	}



	index = pos >> PAGE_CACHE_SHIFT;

	page = __grab_cache_page(mapping, index);

	if (!page)

		return -ENOMEM;

	*pagep = page;



	inode = mapping->host;

	reiserfs_wait_on_write_block(inode->i_sb);

	fix_tail_page_for_writing(page);

	if (reiserfs_transaction_running(inode->i_sb)) {
@@ -2678,6 +2685,8 @@ static int reiserfs_write_end(struct file *file, struct address_space *mapping, 
	struct reiserfs_transaction_handle *th;

	unsigned start;



	if ((unsigned long)fsdata & AOP_FLAG_CONT_EXPAND)

		pos ++;



	reiserfs_wait_on_write_block(inode->i_sb);

	if (reiserfs_transaction_running(inode->i_sb))
@@ -3065,7 +3074,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) 
		}

		/* fill in hole pointers in the expanding truncate case. */

		if (attr->ia_size > inode->i_size) {

			error = generic_cont_expand(inode, attr->ia_size);

			error = generic_cont_expand_simple(inode, attr->ia_size);

			if (REISERFS_I(inode)->i_prealloc_count > 0) {

				int err;

				struct reiserfs_transaction_handle th;