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authorDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
committerDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /fs/proc/generic.c
parentKS8851: Correct RX packet allocation (diff)
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 (diff)
downloadwireguard-linux-e199e6136ce6b151e6638ae93dca60748424d900.tar.xz
wireguard-linux-e199e6136ce6b151e6638ae93dca60748424d900.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'fs/proc/generic.c')
-rw-r--r--fs/proc/generic.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 2791907744ed..dd29f0337661 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -12,6 +12,7 @@
#include <linux/time.h>
#include <linux/proc_fs.h>
#include <linux/stat.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/mount.h>
@@ -258,17 +259,22 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
error = inode_change_ok(inode, iattr);
if (error)
- goto out;
+ return error;
- error = inode_setattr(inode, iattr);
- if (error)
- goto out;
+ 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;
-out:
- return error;
+ return 0;
}
static int proc_getattr(struct vfsmount *mnt, struct dentry *dentry,