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ext4: split off ext4_journalled_invalidatepage()

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In data=journal mode we don't need delalloc or DIO handling in invalidatepage
and similarly in other modes we don't need the journal handling. So split
invalidatepage implementations.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara
2012-12-25 13:28:54 -05:00
committed by Theodore Ts'o
parent d7961c7fa4
commit 4520fb3c36
2 changed files with 29 additions and 8 deletions
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14
include/trace/events/ext4.h
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@@ -451,7 +451,7 @@ DEFINE_EVENT(ext4__page_op, ext4_releasepage,
TP_ARGS(page)
);
TRACE_EVENT(ext4_invalidatepage,
DECLARE_EVENT_CLASS(ext4_invalidatepage_op,
TP_PROTO(struct page *page, unsigned long offset),
TP_ARGS(page, offset),
@@ -477,6 +477,18 @@ TRACE_EVENT(ext4_invalidatepage,
(unsigned long) __entry->index, __entry->offset)
);
DEFINE_EVENT(ext4_invalidatepage_op, ext4_invalidatepage,
TP_PROTO(struct page *page, unsigned long offset),
TP_ARGS(page, offset)
);
DEFINE_EVENT(ext4_invalidatepage_op, ext4_journalled_invalidatepage,
TP_PROTO(struct page *page, unsigned long offset),
TP_ARGS(page, offset)
);
TRACE_EVENT(ext4_discard_blocks,
TP_PROTO(struct super_block *sb, unsigned long long blk,
unsigned long long count),