[GFS2] Fix unlinked file handling

[deliverable/linux.git] / fs / gfs2 / ops_address.c

diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 16d3ebd320926c23141391b8687bcecc9260d22b..207363aed11216dd7da057e99df07cfbb1142a84 100644 (file)
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -81,7 +81,6 @@ int gfs2_get_block(struct inode *inode, sector_t lblock,
 static int get_block_noalloc(struct inode *inode, sector_t lblock,
                             struct buffer_head *bh_result, int create)
 {
-       struct gfs2_inode *ip = inode->u.generic_ip;
        int new = 0;
        uint64_t dblock;
        int error;
@@ -93,7 +92,7 @@ static int get_block_noalloc(struct inode *inode, sector_t lblock,
 
        if (dblock)
                map_bh(bh_result, inode->i_sb, dblock);
-       else if (gfs2_assert_withdraw(ip->i_sbd, !create))
+       else if (gfs2_assert_withdraw(GFS2_SB(inode), !create))
                error = -EIO;
        if (boundary)
                set_buffer_boundary(bh_result);
@@ -114,8 +113,8 @@ static int get_block_noalloc(struct inode *inode, sector_t lblock,
 static int gfs2_writepage(struct page *page, struct writeback_control *wbc)
 {
        struct inode *inode = page->mapping->host;
-       struct gfs2_inode *ip = page->mapping->host->u.generic_ip;
-       struct gfs2_sbd *sdp = ip->i_sbd;
+       struct gfs2_inode *ip = GFS2_I(page->mapping->host);
+       struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
        loff_t i_size = i_size_read(inode);
        pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
        unsigned offset;
@@ -216,8 +215,8 @@ static int stuffed_readpage(struct gfs2_inode *ip, struct page *page)
 
 static int gfs2_readpage(struct file *file, struct page *page)
 {
-       struct gfs2_inode *ip = page->mapping->host->u.generic_ip;
-       struct gfs2_sbd *sdp = ip->i_sbd;
+       struct gfs2_inode *ip = GFS2_I(page->mapping->host);
+       struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
        struct gfs2_holder gh;
        int error;
 
@@ -271,8 +270,8 @@ static int gfs2_readpages(struct file *file, struct address_space *mapping,
                          struct list_head *pages, unsigned nr_pages)
 {
        struct inode *inode = mapping->host;
-       struct gfs2_inode *ip = inode->u.generic_ip;
-       struct gfs2_sbd *sdp = ip->i_sbd;
+       struct gfs2_inode *ip = GFS2_I(inode);
+       struct gfs2_sbd *sdp = GFS2_SB(inode);
        struct gfs2_holder gh;
        unsigned page_idx;
        int ret;
@@ -345,8 +344,8 @@ out_unlock:
 static int gfs2_prepare_write(struct file *file, struct page *page,
                              unsigned from, unsigned to)
 {
-       struct gfs2_inode *ip = page->mapping->host->u.generic_ip;
-       struct gfs2_sbd *sdp = ip->i_sbd;
+       struct gfs2_inode *ip = GFS2_I(page->mapping->host);
+       struct gfs2_sbd *sdp = GFS2_SB(page->mapping->host);
        unsigned int data_blocks, ind_blocks, rblocks;
        int alloc_required;
        int error = 0;
@@ -440,8 +439,8 @@ static int gfs2_commit_write(struct file *file, struct page *page,
                             unsigned from, unsigned to)
 {
        struct inode *inode = page->mapping->host;
-       struct gfs2_inode *ip = inode->u.generic_ip;
-       struct gfs2_sbd *sdp = ip->i_sbd;
+       struct gfs2_inode *ip = GFS2_I(inode);
+       struct gfs2_sbd *sdp = GFS2_SB(inode);
        int error = -EOPNOTSUPP;
        struct buffer_head *dibh;
        struct gfs2_alloc *al = &ip->i_alloc;;
@@ -520,7 +519,7 @@ fail_nounlock:
 
 static sector_t gfs2_bmap(struct address_space *mapping, sector_t lblock)
 {
-       struct gfs2_inode *ip = mapping->host->u.generic_ip;
+       struct gfs2_inode *ip = GFS2_I(mapping->host);
        struct gfs2_holder i_gh;
        sector_t dblock = 0;
        int error;
@@ -594,7 +593,7 @@ static ssize_t gfs2_direct_IO_write(struct kiocb *iocb, const struct iovec *iov,
 {
        struct file *file = iocb->ki_filp;
        struct inode *inode = file->f_mapping->host;
-       struct gfs2_inode *ip = inode->u.generic_ip;
+       struct gfs2_inode *ip = GFS2_I(inode);
        struct gfs2_holder gh;
        int rv;
 
@@ -641,8 +640,8 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb,
 {
        struct file *file = iocb->ki_filp;
        struct inode *inode = file->f_mapping->host;
-       struct gfs2_inode *ip = inode->u.generic_ip;
-       struct gfs2_sbd *sdp = ip->i_sbd;
+       struct gfs2_inode *ip = GFS2_I(inode);
+       struct gfs2_sbd *sdp = GFS2_SB(inode);
 
        if (rw == WRITE)
                return gfs2_direct_IO_write(iocb, iov, offset, nr_segs);