[XFS] Make d_maxiosz report the real maximum (INT_MAX) so we dont

[powerpc.git] / fs / hostfs / hostfs_kern.c

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 59c5062..b3ad0bd 100644 (file)
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -8,7 +8,6 @@
 
 #include <linux/stddef.h>
 #include <linux/fs.h>
-#include <linux/version.h>
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -294,8 +293,7 @@ static void hostfs_delete_inode(struct inode *inode)
 
 static void hostfs_destroy_inode(struct inode *inode)
 {
-       if(HOSTFS_I(inode)->host_filename)
-               kfree(HOSTFS_I(inode)->host_filename);
+       kfree(HOSTFS_I(inode)->host_filename);
 
        /*XXX: This should not happen, probably. The check is here for
         * additional safety.*/
@@ -503,11 +501,16 @@ int hostfs_commit_write(struct file *file, struct page *page, unsigned from,
        long long start;
        int err = 0;
 
-       start = (long long) (page->index << PAGE_CACHE_SHIFT) + from;
+       start = (((long long) page->index) << PAGE_CACHE_SHIFT) + from;
        buffer = kmap(page);
        err = write_file(FILE_HOSTFS_I(file)->fd, &start, buffer + from,
                         to - from);
        if(err > 0) err = 0;
+
+       /* Actually, if !err, write_file has added to-from to start, so, despite
+        * the appearance, we are comparing i_size against the _last_ written
+        * location, as we should. */
+
        if(!err && (start > inode->i_size))
                inode->i_size = start;
 
@@ -793,11 +796,6 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from,
        return(err);
 }
 
-void hostfs_truncate(struct inode *ino)
-{
-       not_implemented();
-}
-
 int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd)
 {
        char *name;
@@ -894,7 +892,6 @@ static struct inode_operations hostfs_iops = {
        .rmdir          = hostfs_rmdir,
        .mknod          = hostfs_mknod,
        .rename         = hostfs_rename,
-       .truncate       = hostfs_truncate,
        .permission     = hostfs_permission,
        .setattr        = hostfs_setattr,
        .getattr        = hostfs_getattr,
@@ -910,7 +907,6 @@ static struct inode_operations hostfs_dir_iops = {
        .rmdir          = hostfs_rmdir,
        .mknod          = hostfs_mknod,
        .rename         = hostfs_rename,
-       .truncate       = hostfs_truncate,
        .permission     = hostfs_permission,
        .setattr        = hostfs_setattr,
        .getattr        = hostfs_getattr,
@@ -919,10 +915,8 @@ static struct inode_operations hostfs_dir_iops = {
 int hostfs_link_readpage(struct file *file, struct page *page)
 {
        char *buffer, *name;
-       long long start;
        int err;
 
-       start = page->index << PAGE_CACHE_SHIFT;
        buffer = kmap(page);
        name = inode_name(page->mapping->host, 0);
        if(name == NULL) return(-ENOMEM);