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Btrfs: Add readahead to the online shrinker, and a mount -o alloc_start= for testing

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-01-02 10:01:11 -05:00
parent e52ec0eb62
commit 8f662a76c6
5 changed files with 28 additions and 9 deletions
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2
fs/btrfs/inode.c
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@@ -2058,7 +2058,7 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct page *page)
mutex_lock(&root->fs_info->fs_mutex);
ret = btrfs_check_free_space(root, PAGE_CACHE_SIZE, 0);
mutex_lock(&root->fs_info->fs_mutex);
mutex_unlock(&root->fs_info->fs_mutex);
if (ret)
goto out;