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Btrfs: Fix releasepage to properly keep dirty and writeback pages 

Signed-off-by: Chris Mason <chris.mason@oracle.com>
wifi-calibration
Chris Mason 2008-09-11 15:51:43 -04:00
parent 8d5bf1cb35
commit 98509cfc5a
2 changed files with 6 additions and 1 deletions
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5
fs/btrfs/disk-io.c
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@ -346,7 +346,7 @@ int btree_readpage_end_io_hook(struct page *page, u64 start, u64 end,
eb = alloc_extent_buffer(tree, start, len, page, GFP_NOFS);
found_start = btrfs_header_bytenr(eb);
if (found_start != start) {
if (0 && found_start != start) {
printk("bad tree block start %llu %llu\n",
(unsigned long long)found_start,
(unsigned long long)eb->start);
@ -592,6 +592,9 @@ static int btree_releasepage(struct page *page, gfp_t gfp_flags)
struct extent_map_tree *map;
int ret;
if (PageWriteback(page) || PageDirty(page))
return 0;
tree = &BTRFS_I(page->mapping->host)->io_tree;
map = &BTRFS_I(page->mapping->host)->extent_tree;

2
fs/btrfs/inode.c
View File

@ -3060,6 +3060,8 @@ static int __btrfs_releasepage(struct page *page, gfp_t gfp_flags)
static int btrfs_releasepage(struct page *page, gfp_t gfp_flags)
{
if (PageWriteback(page) || PageDirty(page))
return 0;
return __btrfs_releasepage(page, gfp_flags);
}