| inode.c (592ddec7578a33fb6b3e2ba78aed91614bbb30e2) | inode.c (643fa9612bf1a29153eee46fd398117632f93cbe) |
|---|---|
| 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * linux/fs/ext4/inode.c 4 * 5 * Copyright (C) 1992, 1993, 1994, 1995 6 * Remy Card (card@masi.ibp.fr) 7 * Laboratoire MASI - Institut Blaise Pascal 8 * Universite Pierre et Marie Curie (Paris VI) --- 1136 unchanged lines hidden (view full) --- 1145 clear_buffer_dirty(bh); 1146 BUFFER_TRACE(bh, "get write access"); 1147 ret = ext4_journal_get_write_access(handle, bh); 1148 if (!ret && dirty) 1149 ret = ext4_handle_dirty_metadata(handle, NULL, bh); 1150 return ret; 1151} 1152 | 1// SPDX-License-Identifier: GPL-2.0 2/* 3 * linux/fs/ext4/inode.c 4 * 5 * Copyright (C) 1992, 1993, 1994, 1995 6 * Remy Card (card@masi.ibp.fr) 7 * Laboratoire MASI - Institut Blaise Pascal 8 * Universite Pierre et Marie Curie (Paris VI) --- 1136 unchanged lines hidden (view full) --- 1145 clear_buffer_dirty(bh); 1146 BUFFER_TRACE(bh, "get write access"); 1147 ret = ext4_journal_get_write_access(handle, bh); 1148 if (!ret && dirty) 1149 ret = ext4_handle_dirty_metadata(handle, NULL, bh); 1150 return ret; 1151} 1152 |
| 1153#ifdef CONFIG_EXT4_FS_ENCRYPTION | 1153#ifdef CONFIG_FS_ENCRYPTION |
| 1154static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, 1155 get_block_t *get_block) 1156{ 1157 unsigned from = pos & (PAGE_SIZE - 1); 1158 unsigned to = from + len; 1159 struct inode *inode = page->mapping->host; 1160 unsigned block_start, block_end; 1161 sector_t block; --- 135 unchanged lines hidden (view full) --- 1297 unlock_page(page); 1298 put_page(page); 1299 ext4_journal_stop(handle); 1300 goto retry_grab; 1301 } 1302 /* In case writeback began while the page was unlocked */ 1303 wait_for_stable_page(page); 1304 | 1154static int ext4_block_write_begin(struct page *page, loff_t pos, unsigned len, 1155 get_block_t *get_block) 1156{ 1157 unsigned from = pos & (PAGE_SIZE - 1); 1158 unsigned to = from + len; 1159 struct inode *inode = page->mapping->host; 1160 unsigned block_start, block_end; 1161 sector_t block; --- 135 unchanged lines hidden (view full) --- 1297 unlock_page(page); 1298 put_page(page); 1299 ext4_journal_stop(handle); 1300 goto retry_grab; 1301 } 1302 /* In case writeback began while the page was unlocked */ 1303 wait_for_stable_page(page); 1304 |
| 1305#ifdef CONFIG_EXT4_FS_ENCRYPTION | 1305#ifdef CONFIG_FS_ENCRYPTION |
| 1306 if (ext4_should_dioread_nolock(inode)) 1307 ret = ext4_block_write_begin(page, pos, len, 1308 ext4_get_block_unwritten); 1309 else 1310 ret = ext4_block_write_begin(page, pos, len, 1311 ext4_get_block); 1312#else 1313 if (ext4_should_dioread_nolock(inode)) --- 1785 unchanged lines hidden (view full) --- 3099 unlock_page(page); 3100 put_page(page); 3101 ext4_journal_stop(handle); 3102 goto retry_grab; 3103 } 3104 /* In case writeback began while the page was unlocked */ 3105 wait_for_stable_page(page); 3106 | 1306 if (ext4_should_dioread_nolock(inode)) 1307 ret = ext4_block_write_begin(page, pos, len, 1308 ext4_get_block_unwritten); 1309 else 1310 ret = ext4_block_write_begin(page, pos, len, 1311 ext4_get_block); 1312#else 1313 if (ext4_should_dioread_nolock(inode)) --- 1785 unchanged lines hidden (view full) --- 3099 unlock_page(page); 3100 put_page(page); 3101 ext4_journal_stop(handle); 3102 goto retry_grab; 3103 } 3104 /* In case writeback began while the page was unlocked */ 3105 wait_for_stable_page(page); 3106 |
| 3107#ifdef CONFIG_EXT4_FS_ENCRYPTION | 3107#ifdef CONFIG_FS_ENCRYPTION |
| 3108 ret = ext4_block_write_begin(page, pos, len, 3109 ext4_da_get_block_prep); 3110#else 3111 ret = __block_write_begin(page, pos, len, ext4_da_get_block_prep); 3112#endif 3113 if (ret < 0) { 3114 unlock_page(page); 3115 ext4_journal_stop(handle); --- 758 unchanged lines hidden (view full) --- 3874static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter) 3875{ 3876 struct file *file = iocb->ki_filp; 3877 struct inode *inode = file->f_mapping->host; 3878 size_t count = iov_iter_count(iter); 3879 loff_t offset = iocb->ki_pos; 3880 ssize_t ret; 3881 | 3108 ret = ext4_block_write_begin(page, pos, len, 3109 ext4_da_get_block_prep); 3110#else 3111 ret = __block_write_begin(page, pos, len, ext4_da_get_block_prep); 3112#endif 3113 if (ret < 0) { 3114 unlock_page(page); 3115 ext4_journal_stop(handle); --- 758 unchanged lines hidden (view full) --- 3874static ssize_t ext4_direct_IO(struct kiocb *iocb, struct iov_iter *iter) 3875{ 3876 struct file *file = iocb->ki_filp; 3877 struct inode *inode = file->f_mapping->host; 3878 size_t count = iov_iter_count(iter); 3879 loff_t offset = iocb->ki_pos; 3880 ssize_t ret; 3881 |
| 3882#ifdef CONFIG_EXT4_FS_ENCRYPTION | 3882#ifdef CONFIG_FS_ENCRYPTION |
| 3883 if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode)) 3884 return 0; 3885#endif 3886 3887 /* 3888 * If we are doing data journalling we don't support O_DIRECT 3889 */ 3890 if (ext4_should_journal_data(inode)) --- 2430 unchanged lines hidden --- | 3883 if (IS_ENCRYPTED(inode) && S_ISREG(inode->i_mode)) 3884 return 0; 3885#endif 3886 3887 /* 3888 * If we are doing data journalling we don't support O_DIRECT 3889 */ 3890 if (ext4_should_journal_data(inode)) --- 2430 unchanged lines hidden --- |