nilfs2: revise the return value description style for consistency.

+2 -1

fs/nilfs2/btnode.c

··· 201 201 * Note that the current implementation does not support folio sizes larger 202 202 * than the page size. 203 203 * 204 - * Return: 0 on success, or the following negative error code on failure. 204 + * Return: 0 on success, or one of the following negative error codes on 205 + * failure: 205 206 * * %-EIO - I/O error (metadata corruption). 206 207 * * %-ENOMEM - Insufficient memory available. 207 208 */

+10 -6

fs/nilfs2/cpfile.c

··· 236 236 * stores it to the inode file given by @ifile and the nilfs root object 237 237 * given by @root. 238 238 * 239 - * Return: 0 on success, or the following negative error code on failure. 239 + * Return: 0 on success, or one of the following negative error codes on 240 + * failure: 240 241 * * %-EINVAL - Invalid checkpoint. 241 242 * * %-ENOMEM - Insufficient memory available. 242 243 * * %-EIO - I/O error (including metadata corruption). ··· 305 304 * In either case, the buffer of the block containing the checkpoint entry 306 305 * and the cpfile inode are made dirty for inclusion in the write log. 307 306 * 308 - * Return: 0 on success, or the following negative error code on failure. 307 + * Return: 0 on success, or one of the following negative error codes on 308 + * failure: 309 309 * * %-ENOMEM - Insufficient memory available. 310 310 * * %-EIO - I/O error (including metadata corruption). 311 311 * * %-EROFS - Read only filesystem ··· 375 373 * cpfile with the data given by the arguments @root, @blkinc, @ctime, and 376 374 * @minor. 377 375 * 378 - * Return: 0 on success, or the following negative error code on failure. 376 + * Return: 0 on success, or one of the following negative error codes on 377 + * failure: 379 378 * * %-ENOMEM - Insufficient memory available. 380 379 * * %-EIO - I/O error (including metadata corruption). 381 380 */ ··· 715 712 * number to continue searching. 716 713 * 717 714 * Return: Count of checkpoint info items stored in the output buffer on 718 - * success, or the following negative error code on failure. 715 + * success, or one of the following negative error codes on failure: 719 716 * * %-EINVAL - Invalid checkpoint mode. 720 717 * * %-ENOMEM - Insufficient memory available. 721 718 * * %-EIO - I/O error (including metadata corruption). ··· 740 737 * @cpfile: checkpoint file inode 741 738 * @cno: checkpoint number to delete 742 739 * 743 - * Return: 0 on success, or the following negative error code on failure. 740 + * Return: 0 on success, or one of the following negative error codes on 741 + * failure: 744 742 * * %-EBUSY - Checkpoint in use (snapshot specified). 745 743 * * %-EIO - I/O error (including metadata corruption). 746 744 * * %-ENOENT - No valid checkpoint found. ··· 1009 1005 * @cno: checkpoint number 1010 1006 * 1011 1007 * Return: 1 if the checkpoint specified by @cno is a snapshot, 0 if not, or 1012 - * the following negative error code on failure. 1008 + * one of the following negative error codes on failure: 1013 1009 * * %-EIO - I/O error (including metadata corruption). 1014 1010 * * %-ENOENT - No such checkpoint. 1015 1011 * * %-ENOMEM - Insufficient memory available.

+2 -1

fs/nilfs2/dat.c

··· 276 276 * @dat: DAT file inode 277 277 * @vblocknr: virtual block number 278 278 * 279 - * Return: 0 on success, or the following negative error code on failure. 279 + * Return: 0 on success, or one of the following negative error codes on 280 + * failure: 280 281 * * %-EINVAL - Invalid DAT entry (internal code). 281 282 * * %-EIO - I/O error (including metadata corruption). 282 283 * * %-ENOMEM - Insufficient memory available.

+2 -1

fs/nilfs2/ifile.c

··· 172 172 * @cno: number of checkpoint entry to read 173 173 * @inode_size: size of an inode 174 174 * 175 - * Return: 0 on success, or the following negative error code on failure. 175 + * Return: 0 on success, or one of the following negative error codes on 176 + * failure: 176 177 * * %-EINVAL - Invalid checkpoint. 177 178 * * %-ENOMEM - Insufficient memory available. 178 179 * * %-EIO - I/O error (including metadata corruption).

+2 -1

fs/nilfs2/ioctl.c

··· 1268 1268 * @filp: file object 1269 1269 * @argp: pointer to userspace memory that contains the volume name 1270 1270 * 1271 - * Return: 0 on success, or the following negative error code on failure. 1271 + * Return: 0 on success, or one of the following negative error codes on 1272 + * failure: 1272 1273 * * %-EFAULT - Error copying input data. 1273 1274 * * %-EINVAL - Label length exceeds record size in superblock. 1274 1275 * * %-EIO - I/O error.

+4 -2

fs/nilfs2/segment.c

··· 1122 1122 * a super root block containing this sufile change is complete, and it can 1123 1123 * be canceled with nilfs_sufile_cancel_freev() until then. 1124 1124 * 1125 - * Return: 0 on success, or the following negative error code on failure. 1125 + * Return: 0 on success, or one of the following negative error codes on 1126 + * failure: 1126 1127 * * %-EINVAL - Invalid segment number. 1127 1128 * * %-EIO - I/O error (including metadata corruption). 1128 1129 * * %-ENOMEM - Insufficient memory available. ··· 2835 2834 * This allocates a log writer object, initializes it, and starts the 2836 2835 * log writer. 2837 2836 * 2838 - * Return: 0 on success, or the following negative error code on failure. 2837 + * Return: 0 on success, or one of the following negative error codes on 2838 + * failure: 2839 2839 * * %-EINTR - Log writer thread creation failed due to interruption. 2840 2840 * * %-ENOMEM - Insufficient memory available. 2841 2841 */

+1 -1

fs/nilfs2/sufile.c

··· 850 850 * @nsi: size of suinfo array 851 851 * 852 852 * Return: Count of segment usage info items stored in the output buffer on 853 - * success, or the following negative error code on failure. 853 + * success, or one of the following negative error codes on failure: 854 854 * * %-EIO - I/O error (including metadata corruption). 855 855 * * %-ENOMEM - Insufficient memory available. 856 856 */

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