xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Btrfs: fsx delalloc fixes

Browse Source 
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-08-30 11:54:02 -04:00
committed by David Woodhouse
parent 07157aacb1
commit 2bf5a725a3
3 changed files with 38 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
fs/btrfs/extent_map.c
View File

@@ -77,6 +77,8 @@ EXPORT_SYMBOL(alloc_extent_map);
void free_extent_map(struct extent_map *em)
{
if (!em)
return;
if (atomic_dec_and_test(&em->refs)) {
WARN_ON(em->in_tree);
kmem_cache_free(extent_map_cache, em);
@@ -102,6 +104,8 @@ EXPORT_SYMBOL(alloc_extent_state);
void free_extent_state(struct extent_state *state)
{
if (!state)
return;
if (atomic_dec_and_test(&state->refs)) {
WARN_ON(state->in_tree);
kmem_cache_free(extent_state_cache, state);
@@ -1395,8 +1399,8 @@ int extent_read_full_page(struct extent_map_tree *tree, struct page *page,
if (!PagePrivate(page)) {
SetPagePrivate(page);
set_page_private(page, 1);
WARN_ON(!page->mapping->a_ops->invalidatepage);
set_page_private(page, 1);
page_cache_get(page);
}
@@ -1638,7 +1642,8 @@ int extent_invalidatepage(struct extent_map_tree *tree,
lock_extent(tree, start, end, GFP_NOFS);
wait_on_extent_writeback(tree, start, end);
clear_extent_bit(tree, start, end, EXTENT_LOCKED | EXTENT_DIRTY,
clear_extent_bit(tree, start, end,
EXTENT_LOCKED | EXTENT_DIRTY | EXTENT_DELALLOC,
1, 1, GFP_NOFS);
return 0;
}