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authorH. Peter Anvin <hpa@linux.intel.com>2012-10-19 07:54:24 -0700
committerH. Peter Anvin <hpa@linux.intel.com>2012-10-19 07:55:09 -0700
commit4533d86270d7986e00594495dde9a109d6be27ae (patch)
treec2473cac653f7b98e5bd5e6475e63734be4b7644 /fs/buffer.c
parent21c5e50e15b1abd797e62f18fd7f90b9cc004cbd (diff)
parent5bc66170dc486556a1e36fd384463536573f4b82 (diff)
Merge commit '5bc66170dc486556a1e36fd384463536573f4b82' into x86/urgent
From Borislav Petkov <bp@amd64.org>: Below is a RAS fix which reverts the addition of a sysfs attribute which we agreed is not needed, post-factum. And this should go in now because that sysfs attribute is going to end up in 3.7 otherwise and thus exposed to userspace; removing it then would be a lot harder. This is done as a merge rather than a simple patch/cherry-pick since the baseline for this patch was not in the previous x86/urgent. Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 58e2e7b7737..b5f044283ed 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2312,12 +2312,6 @@ int __block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
loff_t size;
int ret;
- /*
- * Update file times before taking page lock. We may end up failing the
- * fault so this update may be superfluous but who really cares...
- */
- file_update_time(vma->vm_file);
-
lock_page(page);
size = i_size_read(inode);
if ((page->mapping != inode->i_mapping) ||
@@ -2355,6 +2349,13 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
struct super_block *sb = vma->vm_file->f_path.dentry->d_inode->i_sb;
sb_start_pagefault(sb);
+
+ /*
+ * Update file times before taking page lock. We may end up failing the
+ * fault so this update may be superfluous but who really cares...
+ */
+ file_update_time(vma->vm_file);
+
ret = __block_page_mkwrite(vma, vmf, get_block);
sb_end_pagefault(sb);
return block_page_mkwrite_return(ret);