add missing setattr methods

For the new truncate sequence every filesystem that wants to truncate on-disk
state needs a seattr method.  Convert the remaining filesystems that implement
the truncate inode operation to have its own setattr method.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

5 files changed, 60 insertions, 0 deletions

diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 88bf1b562641..d6ebe53fbdbf 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -290,9 +290,21 @@ static int hfsplus_file_release(struct inode *inode, struct file *file)
         return 0;
 }
 
+static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr)
+{
+        struct inode *inode = dentry->d_inode;
+        int error;
+
+        error = inode_change_ok(inode, attr);
+        if (error)
+                return error;
+        return inode_setattr(inode, attr);
+}
+
 static const struct inode_operations hfsplus_file_inode_operations = {
         .lookup         = hfsplus_file_lookup,
         .truncate       = hfsplus_file_truncate,
+        .setattr        = hfsplus_setattr,
         .setxattr       = hfsplus_setxattr,
         .getxattr       = hfsplus_getxattr,
         .listxattr      = hfsplus_listxattr,
diff --git a/fs/minix/file.c b/fs/minix/file.c
index d5320ff23faf..7a45dd1fe2e5 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -23,7 +23,19 @@ const struct file_operations minix_file_operations = {
         .splice_read    = generic_file_splice_read,
 };
 
+static int minix_setattr(struct dentry *dentry, struct iattr *attr)
+{
+        struct inode *inode = dentry->d_inode;
+        int error;
+
+        error = inode_change_ok(inode, attr);
+        if (error)
+                return error;
+        return inode_setattr(inode, attr);
+}
+
 const struct inode_operations minix_file_inode_operations = {
         .truncate       = minix_truncate,
+        .setattr        = minix_setattr,
         .getattr        = minix_getattr,
 };
diff --git a/fs/omfs/file.c b/fs/omfs/file.c
index 810cff346468..78c9f0c1a2f3 100644
--- a/fs/omfs/file.c
+++ b/fs/omfs/file.c
@@ -341,7 +341,19 @@ const struct file_operations omfs_file_operations = {
         .splice_read = generic_file_splice_read,
 };
 
+static int omfs_setattr(struct dentry *dentry, struct iattr *attr)
+{
+        struct inode *inode = dentry->d_inode;
+        int error;
+
+        error = inode_change_ok(inode, attr);
+        if (error)
+                return error;
+        return inode_setattr(inode, attr);
+}
+
 const struct inode_operations omfs_file_inops = {
+        .setattr = omfs_setattr,
         .truncate = omfs_truncate
 };
 
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index 750cc22349bd..94f6319292a1 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -30,7 +30,19 @@ const struct file_operations sysv_file_operations = {
         .splice_read    = generic_file_splice_read,
 };
 
+static int sysv_setattr(struct dentry *dentry, struct iattr *attr)
+{
+        struct inode *inode = dentry->d_inode;
+        int error;
+
+        error = inode_change_ok(inode, attr);
+        if (error)
+                return error;
+        return inode_setattr(inode, attr);
+}
+
 const struct inode_operations sysv_file_inode_operations = {
         .truncate       = sysv_truncate,
+        .setattr        = sysv_setattr,
         .getattr        = sysv_getattr,
 };
diff --git a/fs/udf/file.c b/fs/udf/file.c
index 94e06d6bddbd..7376032c89ce 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -228,6 +228,18 @@ const struct file_operations udf_file_operations = {
         .llseek                 = generic_file_llseek,
 };
 
+static int udf_setattr(struct dentry *dentry, struct iattr *attr)
+{
+        struct inode *inode = dentry->d_inode;
+        int error;
+
+        error = inode_change_ok(inode, attr);
+        if (error)
+                return error;
+        return inode_setattr(inode, attr);
+}
+
 const struct inode_operations udf_file_inode_operations = {
+        .setattr                = udf_setattr,
         .truncate               = udf_truncate,
 };