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Btrfs: Fix delayed allocation to avoid missing delalloc extents

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find_lock_delalloc_range could exit out too early

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-12-18 16:25:45 -05:00
parent 4aec2b5232
commit 190662b212
2 changed files with 8 additions and 2 deletions
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1
fs/btrfs/inode.c
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@ -798,6 +798,7 @@ static int btrfs_cow_one_page(struct inode *inode, struct page *page,
u64 page_start = (u64)page->index << PAGE_CACHE_SHIFT;
u64 page_end = page_start + PAGE_CACHE_SIZE - 1;
WARN_ON(!PageLocked(page));
set_page_extent_mapped(page);
lock_extent(em_tree, page_start, page_end, GFP_NOFS);