The times are now updated at sync time.

Signed-off-by: Andy Lutomirski <l...@amacapital.net>
---
 fs/9p/vfs_file.c | 3 ---
 fs/btrfs/inode.c | 4 +---
 fs/buffer.c      | 6 ------
 fs/ceph/addr.c   | 3 ---
 fs/ext4/inode.c  | 1 -
 fs/gfs2/file.c   | 3 ---
 fs/nilfs2/file.c | 1 -
 fs/sysfs/bin.c   | 2 --
 mm/filemap.c     | 1 -
 mm/memory.c      | 3 ---
 10 files changed, 1 insertion(+), 26 deletions(-)

diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index c2483e9..34b84f0 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -610,9 +610,6 @@ v9fs_vm_page_mkwrite(struct vm_area_struct *vma, struct 
vm_fault *vmf)
        p9_debug(P9_DEBUG_VFS, "page %p fid %lx\n",
                 page, (unsigned long)filp->private_data);
 
-       /* Update file times before taking page lock */
-       file_update_time(filp);
-
        v9inode = V9FS_I(inode);
        /* make sure the cache has finished storing the page */
        v9fs_fscache_wait_on_page_write(inode, page);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 95542a1..6fb8558 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6747,10 +6747,8 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf)
        sb_start_pagefault(inode->i_sb);
        ret  = btrfs_delalloc_reserve_space(inode, PAGE_CACHE_SIZE);
        if (!ret) {
-               ret = file_update_time(vma->vm_file);
                reserved = 1;
-       }
-       if (ret) {
+       } else if (ret) {
                if (ret == -ENOMEM)
                        ret = VM_FAULT_OOM;
                else /* -ENOSPC, -EIO, etc */
diff --git a/fs/buffer.c b/fs/buffer.c
index ec0aca8..a9a8f2a 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2379,12 +2379,6 @@ int block_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf,
 
        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);
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 6690269..19af339 100644
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -1183,9 +1183,6 @@ static int ceph_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf)
        loff_t size, len;
        int ret;
 
-       /* Update time before taking page lock */
-       file_update_time(vma->vm_file);
-
        size = i_size_read(inode);
        if (off + PAGE_CACHE_SIZE <= size)
                len = PAGE_CACHE_SIZE;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index b3c243b..5ddbc75 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4780,7 +4780,6 @@ int ext4_page_mkwrite(struct vm_area_struct *vma, struct 
vm_fault *vmf)
        int retries = 0;
 
        sb_start_pagefault(inode->i_sb);
-       file_update_time(vma->vm_file);
        /* Delalloc case is easy... */
        if (test_opt(inode->i_sb, DELALLOC) &&
            !ext4_should_journal_data(inode) &&
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index e056b4c..999b1ed 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -398,9 +398,6 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf)
 
        sb_start_pagefault(inode->i_sb);
 
-       /* Update file times before taking page lock */
-       file_update_time(vma->vm_file);
-
        ret = gfs2_rs_alloc(ip);
        if (ret)
                return ret;
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c
index 16f35f7..185b8e6 100644
--- a/fs/nilfs2/file.c
+++ b/fs/nilfs2/file.c
@@ -116,7 +116,6 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf)
        if (unlikely(ret))
                goto out;
 
-       file_update_time(vma->vm_file);
        ret = __block_page_mkwrite(vma, vmf, nilfs_get_block);
        if (ret) {
                nilfs_transaction_abort(inode->i_sb);
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 614b2b5..a475983 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -228,8 +228,6 @@ static int bin_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf)
        ret = 0;
        if (bb->vm_ops->page_mkwrite)
                ret = bb->vm_ops->page_mkwrite(vma, vmf);
-       else
-               file_update_time(file);
 
        sysfs_put_active(attr_sd);
        return ret;
diff --git a/mm/filemap.c b/mm/filemap.c
index 83efee7..feb0540 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1715,7 +1715,6 @@ int filemap_page_mkwrite(struct vm_area_struct *vma, 
struct vm_fault *vmf)
        int ret = VM_FAULT_LOCKED;
 
        sb_start_pagefault(inode->i_sb);
-       file_update_time(vma->vm_file);
        lock_page(page);
        if (page->mapping != inode->i_mapping) {
                unlock_page(page);
diff --git a/mm/memory.c b/mm/memory.c
index 086b901..07a0b0d 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2658,9 +2658,6 @@ reuse:
                if (!page_mkwrite) {
                        wait_on_page_locked(dirty_page);
                        set_page_dirty_balance(dirty_page, page_mkwrite);
-                       /* file_update_time outside page_lock */
-                       if (vma->vm_file)
-                               file_update_time(vma->vm_file);
                }
                put_page(dirty_page);
                if (page_mkwrite) {
-- 
1.7.11.7

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