1 files changed, 8 insertions, 11 deletions

diff --git a/fs/udf/file.c b/fs/udf/file.c
index 66b9e7e7e4c5..2a346bb1d9f5 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -32,7 +32,6 @@
 #include <linux/string.h> /* memset */
 #include <linux/capability.h>
 #include <linux/errno.h>
-#include <linux/smp_lock.h>
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
@@ -99,7 +98,6 @@ static int udf_adinicb_write_end(struct file *file,
 const struct address_space_operations udf_adinicb_aops = {
         .readpage       = udf_adinicb_readpage,
         .writepage      = udf_adinicb_writepage,
-        .sync_page      = block_sync_page,
         .write_begin = simple_write_begin,
         .write_end = udf_adinicb_write_end,
 };
@@ -114,6 +112,7 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
         size_t count = iocb->ki_left;
         struct udf_inode_info *iinfo = UDF_I(inode);
 
+        down_write(&iinfo->i_data_sem);
         if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
                 if (file->f_flags & O_APPEND)
                         pos = inode->i_size;
@@ -123,9 +122,10 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
                 if (inode->i_sb->s_blocksize <
                                 (udf_file_entry_alloc_offset(inode) +
                                                 pos + count)) {
-                        udf_expand_file_adinicb(inode, pos + count, &err);
-                        if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) {
+                        err = udf_expand_file_adinicb(inode);
+                        if (err) {
                                 udf_debug("udf_expand_adinicb: err=%d\n", err);
+                                up_write(&iinfo->i_data_sem);
                                 return err;
                         }
                 } else {
@@ -135,6 +135,7 @@ static ssize_t udf_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
                                 iinfo->i_lenAlloc = inode->i_size;
                 }
         }
+        up_write(&iinfo->i_data_sem);
 
         retval = generic_file_aio_write(iocb, iov, nr_segs, ppos);
         if (retval > 0)
@@ -149,8 +150,6 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
         long old_block, new_block;
         int result = -EINVAL;
 
-        lock_kernel();
-
         if (file_permission(filp, MAY_READ) != 0) {
                 udf_debug("no permission to access inode %lu\n", inode->i_ino);
                 result = -EPERM;
@@ -196,7 +195,6 @@ long udf_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
         }
 
 out:
-        unlock_kernel();
         return result;
 }
 
@@ -204,10 +202,10 @@ static int udf_release_file(struct inode *inode, struct file *filp)
 {
         if (filp->f_mode & FMODE_WRITE) {
                 mutex_lock(&inode->i_mutex);
-                lock_kernel();
+                down_write(&UDF_I(inode)->i_data_sem);
                 udf_discard_prealloc(inode);
                 udf_truncate_tail_extent(inode);
-                unlock_kernel();
+                up_write(&UDF_I(inode)->i_data_sem);
                 mutex_unlock(&inode->i_mutex);
         }
         return 0;
@@ -238,7 +236,7 @@ static int udf_setattr(struct dentry *dentry, struct iattr *attr)
 
         if ((attr->ia_valid & ATTR_SIZE) &&
             attr->ia_size != i_size_read(inode)) {
-                error = vmtruncate(inode, attr->ia_size);
+                error = udf_setsize(inode, attr->ia_size);
                 if (error)
                         return error;
         }
@@ -250,5 +248,4 @@ static int udf_setattr(struct dentry *dentry, struct iattr *attr)
 
 const struct inode_operations udf_file_inode_operations = {
         .setattr                = udf_setattr,
-        .truncate               = udf_truncate,
 };