procfs: drop vmtruncate

Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

3 files changed, 1 insertions, 22 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5a5a0be40e40..9b43ff77a51e 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -542,13 +542,6 @@ int proc_setattr(struct dentry *dentry, struct iattr *attr)
         if (error)
                 return error;
 
-        if ((attr->ia_valid & ATTR_SIZE) &&
-            attr->ia_size != i_size_read(inode)) {
-                error = vmtruncate(inode, attr->ia_size);
-                if (error)
-                        return error;
-        }
-
         setattr_copy(inode, attr);
         mark_inode_dirty(inode);
         return 0;
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 7b3ae3cc0ef9..2e4ed13b9eed 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -261,16 +261,9 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
         if (error)
                 return error;
 
-        if ((iattr->ia_valid & ATTR_SIZE) &&
-            iattr->ia_size != i_size_read(inode)) {
-                error = vmtruncate(inode, iattr->ia_size);
-                if (error)
-                        return error;
-        }
-
         setattr_copy(inode, iattr);
         mark_inode_dirty(inode);
-        
+
         de->uid = inode->i_uid;
         de->gid = inode->i_gid;
         de->mode = inode->i_mode;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 701580ddfcc3..1827d88ad58b 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -736,13 +736,6 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr)
         if (error)
                 return error;
 
-        if ((attr->ia_valid & ATTR_SIZE) &&
-            attr->ia_size != i_size_read(inode)) {
-                error = vmtruncate(inode, attr->ia_size);
-                if (error)
-                        return error;
-        }
-
         setattr_copy(inode, attr);
         mark_inode_dirty(inode);
         return 0;