inode.c (d5abfb1b7b26086db19ee430dea7282f01d4ef44) inode.c (60b99a1b9fa731453e1b69a3e0b3e4dcab7a6ea5)
1/*
2 * inode.c
3 *
4 * PURPOSE
5 * Inode handling routines for the OSTA-UDF(tm) filesystem.
6 *
7 * COPYRIGHT
8 * This file is distributed under the terms of the GNU General Public

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226 return mpage_read_folio(folio, udf_get_block);
227}
228
229static void udf_readahead(struct readahead_control *rac)
230{
231 mpage_readahead(rac, udf_get_block);
232}
233
1/*
2 * inode.c
3 *
4 * PURPOSE
5 * Inode handling routines for the OSTA-UDF(tm) filesystem.
6 *
7 * COPYRIGHT
8 * This file is distributed under the terms of the GNU General Public

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226 return mpage_read_folio(folio, udf_get_block);
227}
228
229static void udf_readahead(struct readahead_control *rac)
230{
231 mpage_readahead(rac, udf_get_block);
232}
233
234static int udf_write_begin(struct file *file, struct address_space *mapping,
234int udf_write_begin(struct file *file, struct address_space *mapping,
235 loff_t pos, unsigned len,
236 struct page **pagep, void **fsdata)
237{
235 loff_t pos, unsigned len,
236 struct page **pagep, void **fsdata)
237{
238 struct udf_inode_info *iinfo = UDF_I(file_inode(file));
239 struct page *page;
238 int ret;
239
240 int ret;
241
240 ret = block_write_begin(mapping, pos, len, pagep, udf_get_block);
241 if (unlikely(ret))
242 udf_write_failed(mapping, pos + len);
243 return ret;
242 if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB) {
243 ret = block_write_begin(mapping, pos, len, pagep,
244 udf_get_block);
245 if (unlikely(ret))
246 udf_write_failed(mapping, pos + len);
247 return ret;
248 }
249 if (WARN_ON_ONCE(pos >= PAGE_SIZE))
250 return -EIO;
251 page = grab_cache_page_write_begin(mapping, 0);
252 if (!page)
253 return -ENOMEM;
254 *pagep = page;
255 if (!PageUptodate(page))
256 udf_adinicb_readpage(page);
257 return 0;
244}
245
246ssize_t udf_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
247{
248 struct file *file = iocb->ki_filp;
249 struct address_space *mapping = file->f_mapping;
250 struct inode *inode = mapping->host;
251 size_t count = iov_iter_count(iter);

--- 2091 unchanged lines hidden --- 		258}
259
260ssize_t udf_direct_IO(struct kiocb *iocb, struct iov_iter *iter)
261{
262 struct file *file = iocb->ki_filp;
263 struct address_space *mapping = file->f_mapping;
264 struct inode *inode = mapping->host;
265 size_t count = iov_iter_count(iter);

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