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fs: remove some AOP_TRUNCATED_PAGE

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prepare/commit_write no longer returns AOP_TRUNCATED_PAGE since OCFS2 and
GFS2 were converted to the new aops, so we can make some simplifications
for that.

[[email protected]: fix warning]
Signed-off-by: Nick Piggin <[email protected]>
Cc: Michael Halcrow <[email protected]>
Cc: Mark Fasheh <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Signed-off-by: Michal Piotrowski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Nick Piggin 2007-10-16 01:25:26 -07:00 • committed by Linus Torvalds
commit 55144768e1
4 changed files with 16 additions and 48 deletions
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6
Documentation/filesystems/vfs.txt
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@ -621,11 +621,7 @@ struct address_space_operations {
any basic-blocks on storage, then those blocks should be
pre-read (if they haven't been read already) so that the
updated blocks can be written out properly.
The page will be locked. If prepare_write wants to unlock the
page it, like readpage, may do so and return
AOP_TRUNCATED_PAGE.
In this case the prepare_write will be retried one the lock is
regained.
The page will be locked.
Note: the page _must not_ be marked uptodate in this function
(or anywhere else) unless it actually is uptodate right now. As