f2fs: Call aops write_begin() and write_end() directly
pagecache_write_begin() and pagecache_write_end() are now trivial wrappers, so call the aops directly. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
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@ -74,6 +74,9 @@ static int pagecache_read(struct inode *inode, void *buf, size_t count,
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static int pagecache_write(struct inode *inode, const void *buf, size_t count,
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loff_t pos)
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{
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struct address_space *mapping = inode->i_mapping;
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const struct address_space_operations *aops = mapping->a_ops;
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if (pos + count > inode->i_sb->s_maxbytes)
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return -EFBIG;
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@ -85,8 +88,7 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count,
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void *addr;
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int res;
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res = pagecache_write_begin(NULL, inode->i_mapping, pos, n, 0,
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&page, &fsdata);
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res = aops->write_begin(NULL, mapping, pos, n, &page, &fsdata);
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if (res)
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return res;
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@ -94,8 +96,7 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count,
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memcpy(addr + offset_in_page(pos), buf, n);
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kunmap_atomic(addr);
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res = pagecache_write_end(NULL, inode->i_mapping, pos, n, n,
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page, fsdata);
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res = aops->write_end(NULL, mapping, pos, n, n, page, fsdata);
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if (res < 0)
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return res;
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if (res != n)
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