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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: Vladimir Saveliev <vs@namesys.com>
Signed-off-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Vladimir Saveliev 2007-10-16 01:25:14 -07:00 committed by Linus Torvalds
parent ba9d8cec6c
commit f7557e8f7f
1 changed files with 11 additions and 2 deletions
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13
fs/reiserfs/inode.c
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@ -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;