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authorMark Fasheh <mark.fasheh@oracle.com>2007-09-08 01:46:51 +0400
committerMark Fasheh <mark.fasheh@oracle.com>2007-10-12 22:54:40 +0400
commit1afc32b952335f665327a1a9001ba1b44bb76fd9 (patch)
treec914afd0ef5d32b426c3cf65820de7599e570656 /fs/ocfs2/aops.h
parent6798d35a31c413bbb3f83bbaa844bd2598168ccc (diff)
downloadlinux-1afc32b952335f665327a1a9001ba1b44bb76fd9.tar.xz
ocfs2: Write support for inline data
This fixes up write, truncate, mmap, and RESVSP/UNRESVP to understand inline inode data. For the most part, the changes to the core write code can be relied on to do the heavy lifting. Any code calling ocfs2_write_begin (including shared writeable mmap) can count on it doing the right thing with respect to growing inline data to an extent tree. Size reducing truncates, including UNRESVP can simply zero that portion of the inode block being removed. Size increasing truncatesm, including RESVP have to be a little bit smarter and grow the inode to an extent tree if necessary. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com> Reviewed-by: Joel Becker <joel.becker@oracle.com>
Diffstat (limited to 'fs/ocfs2/aops.h')
-rw-r--r--fs/ocfs2/aops.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/ocfs2/aops.h b/fs/ocfs2/aops.h
index b4fa37d40db4..113560877dbb 100644
--- a/fs/ocfs2/aops.h
+++ b/fs/ocfs2/aops.h
@@ -61,6 +61,10 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
struct page **pagep, void **fsdata,
struct buffer_head *di_bh, struct page *mmap_page);
+int ocfs2_read_inline_data(struct inode *inode, struct page *page,
+ struct buffer_head *di_bh);
+int ocfs2_size_fits_inline_data(struct buffer_head *di_bh, u64 new_size);
+
/* all ocfs2_dio_end_io()'s fault */
#define ocfs2_iocb_is_rw_locked(iocb) \
test_bit(0, (unsigned long *)&iocb->private)