[PATCH 04/21] procfs: drop vmtruncate

From: Marco Stornelli
Date: Sat Dec 15 2012 - 05:55:26 EST


Removed vmtruncate

Signed-off-by: Marco Stornelli <marco.stornelli@xxxxxxxxx>
---
fs/proc/base.c | 7 -------
fs/proc/generic.c | 9 +--------
fs/proc/proc_sysctl.c | 7 -------
3 files changed, 1 insertions(+), 22 deletions(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index aa63d25..c88e14a 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 0d80cef..0c00b63 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 701580d..1827d88 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;
--
1.7.3.4
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