The patch titled
reiser4-tree_lock-fixes-fix
has been added to the -mm tree. Its filename is
reiser4-tree_lock-fixes-fix.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: reiser4-tree_lock-fixes-fix
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Nick Piggin <nickpiggin@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/reiser4/plugin/file/cryptcompress.c | 8 +++----
fs/reiser4/plugin/file/file.c | 24 +++++++++++------------
2 files changed, 16 insertions(+), 16 deletions(-)
diff -puN fs/reiser4/plugin/file/cryptcompress.c~reiser4-tree_lock-fixes-fix fs/reiser4/plugin/file/cryptcompress.c
--- a/fs/reiser4/plugin/file/cryptcompress.c~reiser4-tree_lock-fixes-fix
+++ a/fs/reiser4/plugin/file/cryptcompress.c
@@ -3435,7 +3435,7 @@ static int find_anon_page_cluster(struct
{
int i = 0;
int found;
- write_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
do {
/* looking for one page */
found = radix_tree_gang_lookup_tag(&mapping->page_tree,
@@ -3457,7 +3457,7 @@ static int find_anon_page_cluster(struct
if (last_page_in_cluster(pages[i++]))
break;
} while (1);
- write_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
return i;
}
@@ -3532,10 +3532,10 @@ static int capture_anon_pages(struct add
static int cryptcompress_inode_has_anon_pages(struct inode *inode)
{
int result;
- read_lock_irq(&inode->i_mapping->tree_lock);
+ spin_lock_irq(&inode->i_mapping->tree_lock);
result = radix_tree_tagged(&inode->i_mapping->page_tree,
PAGECACHE_TAG_REISER4_MOVED);
- read_unlock_irq(&inode->i_mapping->tree_lock);
+ spin_unlock_irq(&inode->i_mapping->tree_lock);
return result;
}
diff -puN fs/reiser4/plugin/file/file.c~reiser4-tree_lock-fixes-fix fs/reiser4/plugin/file/file.c
--- a/fs/reiser4/plugin/file/file.c~reiser4-tree_lock-fixes-fix
+++ a/fs/reiser4/plugin/file/file.c
@@ -848,9 +848,9 @@ static int has_anonymous_pages(struct in
{
int result;
- read_lock_irq(&inode->i_mapping->tree_lock);
+ spin_lock_irq(&inode->i_mapping->tree_lock);
result = radix_tree_tagged(&inode->i_mapping->page_tree, PAGECACHE_TAG_REISER4_MOVED);
- read_unlock_irq(&inode->i_mapping->tree_lock);
+ spin_unlock_irq(&inode->i_mapping->tree_lock);
return result;
}
@@ -994,7 +994,7 @@ capture_anonymous_pages(struct address_s
nr = 0;
/* find pages tagged MOVED */
- write_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
pvec.nr = radix_tree_gang_lookup_tag(&mapping->page_tree,
(void **)pvec.pages, *index, count,
PAGECACHE_TAG_REISER4_MOVED);
@@ -1014,7 +1014,7 @@ capture_anonymous_pages(struct address_s
radix_tree_tag_clear(&mapping->page_tree, pvec.pages[i]->index,
PAGECACHE_TAG_REISER4_MOVED);
}
- write_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
*index = pvec.pages[i - 1]->index + 1;
@@ -1039,13 +1039,13 @@ capture_anonymous_pages(struct address_s
* set MOVED tag to all pages which left not
* captured
*/
- write_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
for (; i < pagevec_count(&pvec); i ++) {
radix_tree_tag_set(&mapping->page_tree,
pvec.pages[i]->index,
PAGECACHE_TAG_REISER4_MOVED);
}
- write_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
pagevec_release(&pvec);
return result;
@@ -1055,11 +1055,11 @@ capture_anonymous_pages(struct address_s
* 0 for Writeback-ed page. Set MOVED tag on
* that page
*/
- write_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
radix_tree_tag_set(&mapping->page_tree,
pvec.pages[i]->index,
PAGECACHE_TAG_REISER4_MOVED);
- write_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
if (i == 0)
*index = pvec.pages[0]->index;
else
@@ -1135,7 +1135,7 @@ static int sync_page_list(struct inode *
mapping = inode->i_mapping;
from = 0;
result = 0;
- read_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
while (result == 0) {
struct page *page;
@@ -1150,17 +1150,17 @@ static int sync_page_list(struct inode *
* truncating by inode->i_mutex locked by sys_fsync
*/
page_cache_get(page);
- read_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
from = page->index + 1;
result = sync_page(page);
page_cache_release(page);
- read_lock_irq(&mapping->tree_lock);
+ spin_lock_irq(&mapping->tree_lock);
}
- read_unlock_irq(&mapping->tree_lock);
+ spin_unlock_irq(&mapping->tree_lock);
return result;
}
_
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