reiserfs: small variable cleanup

This patch removes the xinode and mapping variables from
reiserfs_xattr_{get,set}.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index bab77fe..59b0850 100644 (file)
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -420,10 +420,8 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
        struct dentry *dentry;
        struct page *page;
        char *data;
-       struct address_space *mapping;
        size_t file_pos = 0;
        size_t buffer_pos = 0;
-       struct inode *xinode;
        struct iattr newattrs;
        __u32 xahash = 0;
 
@@ -441,11 +439,10 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
                goto out;
        }
 
-       xinode = dentry->d_inode;
        REISERFS_I(inode)->i_flags |= i_has_xattr_dir;
 
        /* we need to copy it off.. */
-       if (xinode->i_nlink > 1) {
+       if (dentry->d_inode->i_nlink > 1) {
                dput(dentry);
                err = reiserfs_xattr_del(inode, name);
                if (err < 0)
@@ -459,12 +456,11 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
        /* Resize it so we're ok to write there */
        newattrs.ia_size = buffer_size;
        newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
-       mutex_lock_nested(&xinode->i_mutex, I_MUTEX_XATTR);
+       mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR);
        err = notify_change(dentry, &newattrs);
        if (err)
                goto out_filp;
 
-       mapping = xinode->i_mapping;
        while (buffer_pos < buffer_size || buffer_pos == 0) {
                size_t chunk;
                size_t skip = 0;
@@ -474,7 +470,8 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
                else
                        chunk = buffer_size - buffer_pos;
 
-               page = reiserfs_get_page(xinode, file_pos >> PAGE_CACHE_SHIFT);
+               page = reiserfs_get_page(dentry->d_inode,
+                                        file_pos >> PAGE_CACHE_SHIFT);
                if (IS_ERR(page)) {
                        err = PTR_ERR(page);
                        goto out_filp;
@@ -521,7 +518,7 @@ reiserfs_xattr_set(struct inode *inode, const char *name, const void *buffer,
        }
 
       out_filp:
-       mutex_unlock(&xinode->i_mutex);
+       mutex_unlock(&dentry->d_inode->i_mutex);
        dput(dentry);
 
       out:
@@ -541,7 +538,6 @@ reiserfs_xattr_get(const struct inode *inode, const char *name, void *buffer,
        size_t file_pos = 0;
        size_t buffer_pos = 0;
        struct page *page;
-       struct inode *xinode;
        __u32 hash = 0;
 
        if (name == NULL)
@@ -558,8 +554,7 @@ reiserfs_xattr_get(const struct inode *inode, const char *name, void *buffer,
                goto out;
        }
 
-       xinode = dentry->d_inode;
-       isize = xinode->i_size;
+       isize = i_size_read(dentry->d_inode);
        REISERFS_I(inode)->i_flags |= i_has_xattr_dir;
 
        /* Just return the size needed */
@@ -582,7 +577,8 @@ reiserfs_xattr_get(const struct inode *inode, const char *name, void *buffer,
                else
                        chunk = isize - file_pos;
 
-               page = reiserfs_get_page(xinode, file_pos >> PAGE_CACHE_SHIFT);
+               page = reiserfs_get_page(dentry->d_inode,
+                                        file_pos >> PAGE_CACHE_SHIFT);
                if (IS_ERR(page)) {
                        err = PTR_ERR(page);
                        goto out_dput;