The patch titled
r/o bind mounts: elevate write count for file_update_time()
has been removed from the -mm tree. Its filename was
r-o-bind-mounts-elevate-write-count-for-file_update_time.patch
This patch was dropped because it had testing failures
------------------------------------------------------
Subject: r/o bind mounts: elevate write count for file_update_time()
From: Dave Hansen <hansendc@xxxxxxxxxx>
Signed-off-by: Dave Hansen <haveblue@xxxxxxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Miklos Szeredi <miklos@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/inode.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff -puN fs/inode.c~r-o-bind-mounts-elevate-write-count-for-file_update_time fs/inode.c
--- a/fs/inode.c~r-o-bind-mounts-elevate-write-count-for-file_update_time
+++ a/fs/inode.c
@@ -1218,10 +1218,13 @@ void file_update_time(struct file *file)
{
struct inode *inode = file->f_path.dentry->d_inode;
struct timespec now;
+ int err = 0;
if (IS_NOCMTIME(inode))
return;
- if (IS_RDONLY(inode))
+ if (file->f_vfsmnt)
+ err = mnt_want_write(file->f_vfsmnt);
+ if (err)
return;
now = current_fs_time(inode->i_sb);
@@ -1230,6 +1233,8 @@ void file_update_time(struct file *file)
inode->i_version++;
mark_inode_dirty_sync(inode);
+ if (file->f_vfsmnt)
+ mnt_drop_write(file->f_vfsmnt);
}
EXPORT_SYMBOL(file_update_time);
_
Patches currently in -mm which might be from hansendc@xxxxxxxxxx are
r-o-bind-mounts-elevate-write-count-for-file_update_time.patch
r-o-bind-mounts-mount_is_safe-add-comment.patch
r-o-bind-mounts-unix_find_other-elevate-write-count-for-touch_atime.patch
r-o-bind-mounts-elevate-write-count-over-calls-to-vfs_rename.patch
r-o-bind-mounts-elevate-write-count-files-are-opened.patch
r-o-bind-mounts-nfs-check-mnt-instead-of-sb.patch
r-o-bind-mounts-elevate-writer-count-for-do_sys_truncate.patch
r-o-bind-mounts-elevate-write-count-for-do_utimes.patch
r-o-bind-mounts-elevate-write-count-for-do_sys_utime-and-touch_atime.patch
r-o-bind-mounts-sys_mknodat-elevate-write-count-for-vfs_mknod-create.patch
r-o-bind-mounts-elevate-mnt-writers-for-vfs_unlink-callers.patch
r-o-bind-mounts-do_rmdir-elevate-write-count.patch
r-o-bind-mounts-elevate-writer-count-for-custom-struct_file.patch
r-o-bind-mounts-remove-is_rdonly-from-permission.patch
r-o-bind-mounts-reiser4-remove-is_rdonly-checks.patch
-
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
