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| author | Theodore Ts'o | 2015-04-08 06:00:32 +0200 |
|---|---|---|
| committer | Theodore Ts'o | 2015-04-08 06:00:32 +0200 |
| commit | f64e02fe9bc6a359cab95632b33900094d225ae1 (patch) | |
| tree | bbaa7c514a5b6d7371760ac3ad367586f4e983f0 /fs/ext4/ext4.h | |
| parent | ext4: make fsync to sync parent dir in no-journal for real this time (diff) | |
| download | kernel-qcow2-linux-f64e02fe9bc6a359cab95632b33900094d225ae1.tar.gz kernel-qcow2-linux-f64e02fe9bc6a359cab95632b33900094d225ae1.tar.xz kernel-qcow2-linux-f64e02fe9bc6a359cab95632b33900094d225ae1.zip | |
ext4 crypto: add ext4_mpage_readpages()
This takes code from fs/mpage.c and optimizes it for ext4. Its
primary reason is to allow us to more easily add encryption to ext4's
read path in an efficient manner.
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
| -rw-r--r-- | fs/ext4/ext4.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index f63c3d5805c4..f7f3f5871796 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2699,6 +2699,10 @@ static inline void ext4_set_de_type(struct super_block *sb, de->file_type = ext4_type_by_mode[(mode & S_IFMT)>>S_SHIFT]; } +/* readpages.c */ +extern int ext4_mpage_readpages(struct address_space *mapping, + struct list_head *pages, struct page *page, + unsigned nr_pages); /* symlink.c */ extern const struct inode_operations ext4_symlink_inode_operations; |