Lines Matching +full:lower +full:- +full:case

1 // SPDX-License-Identifier: GPL-2.0-or-later
19  * @offset: Byte offset in the lower file to which to write the data
20  * @size: Number of bytes from @data to write at @offset in the lower
23  * Write data to the lower file.
33 	lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;  in ecryptfs_write_lower()
35 		return -EIO;  in ecryptfs_write_lower()
45  *                  lower file
49  *        lower file
53  * the contents of @page_for_lower to the lower inode.
55  * Returns zero on success; non-zero otherwise
65 	offset = ((((loff_t)page_for_lower->index) << PAGE_SHIFT)  in ecryptfs_write_lower_page_segment()
84  * eCryptfs inode page cache. This is done on a page-by-page, and then
85  * by an extent-by-extent, basis; individual extents are encrypted and
86  * written to the lower page cache (via VFS writes). This function
87  * takes care of all the address translation to locations in the lower
91  * Returns zero on success; non-zero otherwise
104 	crypt_stat = &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat;  in ecryptfs_write()
107 	 * at the current size - we'll fill in zeros from there.  in ecryptfs_write()
116 		size_t num_bytes = (PAGE_SIZE - start_offset_in_page);  in ecryptfs_write()
117 		loff_t total_remaining_bytes = ((offset + size) - pos);  in ecryptfs_write()
120 			rc = -EINTR;  in ecryptfs_write()
128 			loff_t total_remaining_zeros = (offset - pos);  in ecryptfs_write()
149 		 * If we're in a fresh page beyond eof, zero it in either case  in ecryptfs_write()
156 				PAGE_SIZE - start_offset_in_page);  in ecryptfs_write()
170 		if (crypt_stat->flags & ECRYPTFS_ENCRYPTED)  in ecryptfs_write()
187 		if (crypt_stat->flags & ECRYPTFS_ENCRYPTED) {  in ecryptfs_write()
209  * @offset: Byte offset in the lower file from which to read the data
210  * @size: Number of bytes to read from @offset of the lower file and
214  * Read @size bytes of data at byte offset @offset from the lower
223 	lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;  in ecryptfs_read_lower()
225 		return -EIO;  in ecryptfs_read_lower()
242  * the contents of @page_for_ecryptfs from the lower inode.
244  * Returns zero on success; non-zero otherwise