AcoSail/kernel_optimize_test
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ceph: fix direct io truncate offset

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truncate_inode_pages_range wants the end offset to align with the last byte
in a page.

Signed-off-by: Sage Weil <sage@newdream.net>
This commit is contained in:
Sage Weil 2010-04-22 13:48:59 -07:00
parent ae18756b9f
commit 5c6a2cdb4f
1 changed files with 2 additions and 1 deletions
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3
fs/ceph/file.c
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@ -665,7 +665,8 @@ static ssize_t ceph_sync_write(struct file *file, const char __user *data,
* throw out any page cache pages in this range. this
* may block.
*/
truncate_inode_pages_range(inode->i_mapping, pos, pos+len);
truncate_inode_pages_range(inode->i_mapping, pos,
(pos+len) | (PAGE_CACHE_SIZE-1));
} else {
pages = alloc_page_vector(num_pages);
if (IS_ERR(pages)) {