]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - fs/hfs/inode.c
lguest: Guest int3 fix
[linux-2.6-omap-h63xx.git] / fs / hfs / inode.c
index 02f5573e03491b597a7d68b40fb45f72f87e4a07..7e19835efa2ea91675980a18e963281a02d46bb8 100644 (file)
 
 #include <linux/pagemap.h>
 #include <linux/mpage.h>
+#include <linux/sched.h>
 
 #include "hfs_fs.h"
 #include "btree.h"
 
 static const struct file_operations hfs_file_operations;
-static struct inode_operations hfs_file_inode_operations;
+static const struct inode_operations hfs_file_inode_operations;
 
 /*================ Variable-like macros ================*/
 
@@ -34,10 +35,14 @@ static int hfs_readpage(struct file *file, struct page *page)
        return block_read_full_page(page, hfs_get_block);
 }
 
-static int hfs_prepare_write(struct file *file, struct page *page, unsigned from, unsigned to)
+static int hfs_write_begin(struct file *file, struct address_space *mapping,
+                       loff_t pos, unsigned len, unsigned flags,
+                       struct page **pagep, void **fsdata)
 {
-       return cont_prepare_write(page, from, to, hfs_get_block,
-                                 &HFS_I(page->mapping->host)->phys_size);
+       *pagep = NULL;
+       return cont_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
+                               hfs_get_block,
+                               &HFS_I(mapping->host)->phys_size);
 }
 
 static sector_t hfs_bmap(struct address_space *mapping, sector_t block)
@@ -102,7 +107,7 @@ static ssize_t hfs_direct_IO(int rw, struct kiocb *iocb,
                const struct iovec *iov, loff_t offset, unsigned long nr_segs)
 {
        struct file *file = iocb->ki_filp;
-       struct inode *inode = file->f_dentry->d_inode->i_mapping->host;
+       struct inode *inode = file->f_path.dentry->d_inode->i_mapping->host;
 
        return blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
                                  offset, nr_segs, hfs_get_block, NULL);
@@ -118,8 +123,8 @@ const struct address_space_operations hfs_btree_aops = {
        .readpage       = hfs_readpage,
        .writepage      = hfs_writepage,
        .sync_page      = block_sync_page,
-       .prepare_write  = hfs_prepare_write,
-       .commit_write   = generic_commit_write,
+       .write_begin    = hfs_write_begin,
+       .write_end      = generic_write_end,
        .bmap           = hfs_bmap,
        .releasepage    = hfs_releasepage,
 };
@@ -128,8 +133,8 @@ const struct address_space_operations hfs_aops = {
        .readpage       = hfs_readpage,
        .writepage      = hfs_writepage,
        .sync_page      = block_sync_page,
-       .prepare_write  = hfs_prepare_write,
-       .commit_write   = generic_commit_write,
+       .write_begin    = hfs_write_begin,
+       .write_end      = generic_write_end,
        .bmap           = hfs_bmap,
        .direct_IO      = hfs_direct_IO,
        .writepages     = hfs_writepages,
@@ -145,7 +150,7 @@ struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode)
        if (!inode)
                return NULL;
 
-       init_MUTEX(&HFS_I(inode)->extents_lock);
+       mutex_init(&HFS_I(inode)->extents_lock);
        INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list);
        hfs_cat_build_key(sb, (btree_key *)&HFS_I(inode)->cat_key, dir->i_ino, name);
        inode->i_ino = HFS_SB(sb)->next_id++;
@@ -276,7 +281,7 @@ static int hfs_read_inode(struct inode *inode, void *data)
 
        HFS_I(inode)->flags = 0;
        HFS_I(inode)->rsrc_inode = NULL;
-       init_MUTEX(&HFS_I(inode)->extents_lock);
+       mutex_init(&HFS_I(inode)->extents_lock);
        INIT_LIST_HEAD(&HFS_I(inode)->open_dir_list);
 
        /* Initialize the inode */
@@ -506,8 +511,7 @@ void hfs_clear_inode(struct inode *inode)
        }
 }
 
-static int hfs_permission(struct inode *inode, int mask,
-                         struct nameidata *nd)
+static int hfs_permission(struct inode *inode, int mask)
 {
        if (S_ISREG(inode->i_mode) && mask & MAY_EXEC)
                return 0;
@@ -518,8 +522,6 @@ static int hfs_file_open(struct inode *inode, struct file *file)
 {
        if (HFS_IS_RSRC(inode))
                inode = HFS_I(inode)->rsrc_inode;
-       if (atomic_read(&file->f_count) != 1)
-               return 0;
        atomic_inc(&HFS_I(inode)->opencnt);
        return 0;
 }
@@ -530,8 +532,6 @@ static int hfs_file_release(struct inode *inode, struct file *file)
 
        if (HFS_IS_RSRC(inode))
                inode = HFS_I(inode)->rsrc_inode;
-       if (atomic_read(&file->f_count) != 0)
-               return 0;
        if (atomic_dec_and_test(&HFS_I(inode)->opencnt)) {
                mutex_lock(&inode->i_mutex);
                hfs_file_truncate(inode);
@@ -606,13 +606,13 @@ static const struct file_operations hfs_file_operations = {
        .write          = do_sync_write,
        .aio_write      = generic_file_aio_write,
        .mmap           = generic_file_mmap,
-       .sendfile       = generic_file_sendfile,
+       .splice_read    = generic_file_splice_read,
        .fsync          = file_fsync,
        .open           = hfs_file_open,
        .release        = hfs_file_release,
 };
 
-static struct inode_operations hfs_file_inode_operations = {
+static const struct inode_operations hfs_file_inode_operations = {
        .lookup         = hfs_file_lookup,
        .truncate       = hfs_file_truncate,
        .setattr        = hfs_inode_setattr,