aboutsummaryrefslogtreecommitdiff
path: root/fs/reiserfs/ioctl.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/reiserfs/ioctl.c')
-rw-r--r--fs/reiserfs/ioctl.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c
index 950e3d1b5c9..501ed6811a2 100644
--- a/fs/reiserfs/ioctl.c
+++ b/fs/reiserfs/ioctl.c
@@ -5,7 +5,7 @@
#include <linux/capability.h>
#include <linux/fs.h>
#include <linux/mount.h>
-#include <linux/reiserfs_fs.h>
+#include "reiserfs.h"
#include <linux/time.h>
#include <asm/uaccess.h>
#include <linux/pagemap.h>
@@ -15,13 +15,14 @@
* reiserfs_ioctl - handler for ioctl for inode
* supported commands:
* 1) REISERFS_IOC_UNPACK - try to unpack tail from direct item into indirect
- * and prevent packing file (argument arg has to be non-zero)
+ * and prevent packing file (argument arg has t
+ * be non-zero)
* 2) REISERFS_IOC_[GS]ETFLAGS, REISERFS_IOC_[GS]ETVERSION
* 3) That's all for a while ...
*/
long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
unsigned int flags;
int err = 0;
@@ -132,7 +133,10 @@ setversion_out:
long reiserfs_compat_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
- /* These are just misnamed, they actually get/put from/to user an int */
+ /*
+ * These are just misnamed, they actually
+ * get/put from/to user an int
+ */
switch (cmd) {
case REISERFS_IOC32_UNPACK:
cmd = REISERFS_IOC_UNPACK;
@@ -160,14 +164,13 @@ long reiserfs_compat_ioctl(struct file *file, unsigned int cmd,
int reiserfs_commit_write(struct file *f, struct page *page,
unsigned from, unsigned to);
/*
-** reiserfs_unpack
-** Function try to convert tail from direct item into indirect.
-** It set up nopack attribute in the REISERFS_I(inode)->nopack
-*/
+ * reiserfs_unpack
+ * Function try to convert tail from direct item into indirect.
+ * It set up nopack attribute in the REISERFS_I(inode)->nopack
+ */
int reiserfs_unpack(struct inode *inode, struct file *filp)
{
int retval = 0;
- int depth;
int index;
struct page *page;
struct address_space *mapping;
@@ -183,11 +186,11 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
return 0;
}
- depth = reiserfs_write_lock_once(inode->i_sb);
-
/* we need to make sure nobody is changing the file size beneath us */
reiserfs_mutex_lock_safe(&inode->i_mutex, inode->i_sb);
+ reiserfs_write_lock(inode->i_sb);
+
write_from = inode->i_size & (blocksize - 1);
/* if we are on a block boundary, we are already unpacked. */
if (write_from == 0) {
@@ -195,9 +198,10 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
goto out;
}
- /* we unpack by finding the page with the tail, and calling
- ** __reiserfs_write_begin on that page. This will force a
- ** reiserfs_get_block to unpack the tail for us.
+ /*
+ * we unpack by finding the page with the tail, and calling
+ * __reiserfs_write_begin on that page. This will force a
+ * reiserfs_get_block to unpack the tail for us.
*/
index = inode->i_size >> PAGE_CACHE_SHIFT;
mapping = inode->i_mapping;
@@ -215,12 +219,12 @@ int reiserfs_unpack(struct inode *inode, struct file *filp)
retval = reiserfs_commit_write(NULL, page, write_from, write_from);
REISERFS_I(inode)->i_flags |= i_nopack_mask;
- out_unlock:
+out_unlock:
unlock_page(page);
page_cache_release(page);
- out:
+out:
mutex_unlock(&inode->i_mutex);
- reiserfs_write_unlock_once(inode->i_sb, depth);
+ reiserfs_write_unlock(inode->i_sb);
return retval;
}