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Chandan Rajendra 0b578f358a ext4: decrypt only the needed blocks in ext4_block_write_begin() 
In ext4_block_write_begin(), only decrypt the blocks that actually need
to be decrypted (up to two blocks which intersect the boundaries of the
region that will be written to), rather than assuming blocksize ==
PAGE_SIZE and decrypting the whole page.

This is in preparation for allowing encryption on ext4 filesystems with
blocksize != PAGE_SIZE.

Signed-off-by: Chandan Rajendra <chandan@linux.ibm.com>
(EB: rebase onto previous changes, improve the commit message,
 and move the check for encrypted inode)
Signed-off-by: Eric Biggers <ebiggers@google.com>
2019-05-28 10:27:53 -07:00
..
acl.c
ext4: compare old and new mode before setting update_mode flag
2018-12-10 00:22:38 -05:00
acl.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
balloc.c
ext4: use ext4_warning() for sb_getblk failure
2018-08-01 12:02:31 -04:00
bitmap.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
block_validity.c
ext4: fix block validity checks for journal inodes using indirect blocks
2019-05-15 00:51:19 -04:00
dir.c
ext4: fix dcache lookup of !casefolded directories
2019-05-24 23:48:23 -04:00
ext4_extents.h
ext4: adjust reserved cluster count when removing extents
2018-10-01 14:25:08 -04:00
ext4_jbd2.c
ext4: shutdown should not prevent get_write_access
2018-02-18 22:07:36 -05:00
ext4_jbd2.h
Miscellaneous ext4 bug fixes for 5.1.
2019-03-24 13:41:37 -07:00
ext4.h
Clean up fscrypt's dcache revalidation support, and other
2019-05-07 21:28:04 -07:00
extents_status.c
ext4: use BUG() instead of BUG_ON(1)
2019-04-07 12:24:43 -04:00
extents_status.h
ext4: reduce reserved cluster count by number of allocated clusters
2018-10-01 14:24:08 -04:00
extents.c
ext4: don't perform block validity checks on the journal inode
2019-05-22 10:27:01 -04:00
file.c
ext4: fix data corruption caused by overlapping unaligned and aligned IO
2019-05-10 21:45:33 -04:00
fsmap.c
ext4: fix miscellaneous sparse warnings
2019-05-12 04:49:47 -04:00
fsmap.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
fsync.c
Revert "ext4: use ext4_write_inode() when fsyncing w/o a journal"
2019-01-31 23:41:11 -05:00
hash.c
ext4: Support case-insensitive file name lookups
2019-04-25 14:12:08 -04:00
ialloc.c
ext4: Support case-insensitive file name lookups
2019-04-25 14:12:08 -04:00
indirect.c
ext4: cleanup bh release code in ext4_ind_remove_space()
2019-03-23 11:56:01 -04:00
inline.c
ext4: Support case-insensitive file name lookups
2019-04-25 14:12:08 -04:00
inode.c
ext4: decrypt only the needed blocks in ext4_block_write_begin()
2019-05-28 10:27:53 -07:00
ioctl.c
ext4: fix miscellaneous sparse warnings
2019-05-12 04:49:47 -04:00
Kconfig
treewide: Add SPDX license identifier - Makefile/Kconfig
2019-05-21 10:50:46 +02:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mballoc.c
ext4: cond_resched in work-heavy group loops
2019-04-25 12:58:01 -04:00
mballoc.h
ext4: fix up remaining files with SPDX cleanups
2017-12-17 22:00:59 -05:00
migrate.c
ext4: clean up indentation issues, remove extraneous tabs
2018-12-04 00:16:44 -05:00
mmp.c
ext4: don't mark mmp buffer head dirty
2018-09-15 17:11:25 -04:00
move_extent.c
ext4: use IS_ENCRYPTED() to check encryption status
2019-01-23 23:56:43 -05:00
namei.c
Some bug fixes, and an update to the URL's for the final version of
2019-05-19 11:43:16 -07:00
page-io.c
fscrypt: support encrypting multiple filesystem blocks per page
2019-05-28 10:27:53 -07:00
readpage.c
Clean up fscrypt's dcache revalidation support, and other
2019-05-07 21:28:04 -07:00
resize.c
Add as a feature case-insensitive directories (the casefold feature)
2019-05-07 21:12:44 -07:00
super.c
Some bug fixes, and an update to the URL's for the final version of
2019-05-19 11:43:16 -07:00
symlink.c
ext4: switch to fscrypt_get_symlink()
2018-01-11 22:10:40 -05:00
sysfs.c
ext4: export /sys/fs/ext4/feature/casefold if Unicode support is present
2019-05-06 14:03:52 -04:00
truncate.h
ext4: handle layout changes to pinned DAX mappings
2018-07-29 17:00:22 -04:00
xattr_security.c
ext4: use XATTR_CREATE in ext4_initxattrs()
2018-05-10 11:52:14 -04:00
xattr_trusted.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr_user.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xattr.c
ext4: ignore e_value_offs for xattrs with value-in-ea-inode
2019-04-10 00:37:36 -04:00
xattr.h
ext4: add extra checks to ext4_xattr_block_get()
2018-03-30 20:04:11 -04:00