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authorLukas Czerner <lczerner@redhat.com>2013-05-28 07:32:35 +0400
committerTheodore Ts'o <tytso@mit.edu>2013-05-28 07:32:35 +0400
commitd863dc3614e489e11808f940a612b520ce1dff91 (patch)
tree05a5c67d53e3ce4e2f53cddc3966c0361c1579a9 /fs/ext4/ext4.h
parent5a7203947a1d9b6f3a00a39fda08c2466489555f (diff)
downloadlinux-d863dc3614e489e11808f940a612b520ce1dff91.tar.xz
Revert "ext4: remove no longer used functions in inode.c"
This reverts commit ccb4d7af914e0fe9b2f1022f8ea6c300463fd5e6. This commit reintroduces functions ext4_block_truncate_page() and ext4_block_zero_page_range() which has been previously removed in favour of ext4_discard_partial_page_buffers(). In future commits we want to reintroduce those function and remove ext4_discard_partial_page_buffers() since it is duplicating some code and also partially duplicating work of truncate_pagecache_range(), moreover the old implementation was much clearer. Signed-off-by: Lukas Czerner <lczerner@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ext4.h')
-rw-r--r--fs/ext4/ext4.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 5aae3d12d400..9f9719f08490 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2096,6 +2096,10 @@ extern int ext4_alloc_da_blocks(struct inode *inode);
extern void ext4_set_aops(struct inode *inode);
extern int ext4_writepage_trans_blocks(struct inode *);
extern int ext4_chunk_trans_blocks(struct inode *, int nrblocks);
+extern int ext4_block_truncate_page(handle_t *handle,
+ struct address_space *mapping, loff_t from);
+extern int ext4_block_zero_page_range(handle_t *handle,
+ struct address_space *mapping, loff_t from, loff_t length);
extern int ext4_discard_partial_page_buffers(handle_t *handle,
struct address_space *mapping, loff_t from,
loff_t length, int flags);