Messages in this thread Patch in this message |  | | | Date | Wed, 27 Sep 2006 11:29:56 -0500 | | From | Michael Halcrow <> | | Subject | [PATCH] eCryptfs: Grab lock on lower_page in ecryptfs_sync_page |
| |
The recent swap of grab_cache_page() with find_get_page() in ecryptfs_sync_page() missed the fact that we need a lock on the lower page. This patch replaces find_get_page() with find_lock_page() in order to make sure that this lock is obtained.
Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com>
--- fs/ecryptfs/mmap.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) ef0b82f22907486bd87f8c37508a9f7d1dcd5601 diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 8a4040d..924dd90 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -766,9 +766,9 @@ static void ecryptfs_sync_page(struct pa lower_inode = ecryptfs_inode_to_lower(inode); /* NOTE: Recently swapped with grab_cache_page(), since * sync_page() just makes sure that pending I/O gets done. */ - lower_page = find_get_page(lower_inode->i_mapping, page->index); + lower_page = find_lock_page(lower_inode->i_mapping, page->index); if (!lower_page) { - ecryptfs_printk(KERN_DEBUG, "find_get_page failed\n"); + ecryptfs_printk(KERN_DEBUG, "find_lock_page failed\n"); return; } lower_page->mapping->a_ops->sync_page(lower_page); -- 1.3.3 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |