projects / people / pmueller / ipfire-2.x.git / blame
| Commit | Line | Data |
|---|---|---|
| 2cb7cef9 BS |
1 | From: Jeff Mahoney <jeffm@suse.com> |
| 2 | Subject: [PATCH] novfs: mapping->tree_lock is a spin_lock | |
| 3 | ||
| 4 | mapping->tree_lock changed from a read_lock to a spin_lock in 2.6.27. | |
| 5 | ||
| 6 | Signed-off-by: Jeff Mahoney <jeffm@suse.com> | |
| 7 | --- | |
| 8 | fs/novfs/inode.c | 4 ++-- | |
| 9 | 1 file changed, 2 insertions(+), 2 deletions(-) | |
| 10 | ||
| 11 | --- a/fs/novfs/inode.c | |
| 12 | +++ b/fs/novfs/inode.c | |
| 13 | @@ -2029,7 +2029,7 @@ int novfs_a_writepages(struct address_sp | |
| 14 | memset(pages, 0, | |
| 15 | sizeof(struct page *) * max_page_lookup); | |
| 16 | ||
| 17 | - read_lock_irq(&mapping->tree_lock); | |
| 18 | + spin_lock_irq(&mapping->tree_lock); | |
| 19 | ||
| 20 | /* | |
| 21 | * Need to ask for one less then max_page_lookup or we | |
| 22 | @@ -2063,7 +2063,7 @@ int novfs_a_writepages(struct address_sp | |
| 23 | page_cache_get(pages[i]); | |
| 24 | } | |
| 25 | ||
| 26 | - read_unlock_irq(&mapping->tree_lock); | |
| 27 | + spin_unlock_irq(&mapping->tree_lock); | |
| 28 | ||
| 29 | if (nr_pages) { | |
| 30 | index = pages[nr_pages - 1]->index + 1; |