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Btrfs: Fix releasepage to properly keep dirty and writeback pages
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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parent
8d5bf1cb35
commit
98509cfc5a
2 changed files with 6 additions and 1 deletions
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@ -346,7 +346,7 @@ int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
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eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS);
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found_start = btrfs_header_bytenr(eb);
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if (found_start != start) {
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if (0 && found_start != start) {
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printk("bad tree block start %llu %llu\n",
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(unsigned long long)found_start,
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(unsigned long long)eb->start);
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@ -592,6 +592,9 @@ static int btree_releasepage(struct page *page, gfp_t gfp_flags)
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struct extent_map_tree *map;
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int ret;
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if (PageWriteback(page) || PageDirty(page))
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return 0;
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tree = &BTRFS_I(page->mapping->host)->io_tree;
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map = &BTRFS_I(page->mapping->host)->extent_tree;
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@ -3060,6 +3060,8 @@ static int __btrfs_releasepage(struct page *page, gfp_t gfp_flags)
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static int btrfs_releasepage(struct page *page, gfp_t gfp_flags)
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{
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if (PageWriteback(page) || PageDirty(page))
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return 0;
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return __btrfs_releasepage(page, gfp_flags);
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}
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