GFS2: Fix typo in gfs_page_mkwrite()
There is a typo in gfs2_page_mkwrite() gfs2_write_alloc_required() expects pos to be the offset in bytes. However, instead of the page index being shifted by by PAGE_CACHE_SHIFT, it was shifted by (PAGE_CACHE_SIZE - inode->i_blkbits). This patch simply shifts the page index by the proper amount. Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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@ -342,7 +342,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
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struct gfs2_inode *ip = GFS2_I(inode);
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struct gfs2_sbd *sdp = GFS2_SB(inode);
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unsigned long last_index;
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u64 pos = page->index << (PAGE_CACHE_SIZE - inode->i_blkbits);
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u64 pos = page->index << PAGE_CACHE_SHIFT;
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unsigned int data_blocks, ind_blocks, rblocks;
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int alloc_required = 0;
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struct gfs2_holder gh;
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