[XFS] Add a chunk of tracing code to diagnose truncate related issues.
SGI-PV: 938410 SGI-Modid: xfs-linux:xfs-kern:22966a Signed-off-by: Nathan Scott <nathans@sgi.com>
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@ -1202,6 +1202,16 @@ out_unlock:
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return error;
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}
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STATIC int
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linvfs_invalidate_page(
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struct page *page,
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unsigned long offset)
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{
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xfs_page_trace(XFS_INVALIDPAGE_ENTER,
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page->mapping->host, page, offset);
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return block_invalidatepage(page, offset);
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}
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/*
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* Called to move a page into cleanable state - and from there
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* to be released. Possibly the page is already clean. We always
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@ -1279,6 +1289,7 @@ struct address_space_operations linvfs_aops = {
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.writepage = linvfs_writepage,
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.sync_page = block_sync_page,
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.releasepage = linvfs_release_page,
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.invalidatepage = linvfs_invalidate_page,
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.prepare_write = linvfs_prepare_write,
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.commit_write = generic_commit_write,
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.bmap = linvfs_bmap,
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@ -70,9 +70,10 @@ struct xfs_iomap;
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#define XFS_SENDFILE_ENTER 21
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#define XFS_WRITEPAGE_ENTER 22
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#define XFS_RELEASEPAGE_ENTER 23
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#define XFS_IOMAP_ALLOC_ENTER 24
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#define XFS_IOMAP_ALLOC_MAP 25
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#define XFS_IOMAP_UNWRITTEN 26
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#define XFS_INVALIDPAGE_ENTER 24
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#define XFS_IOMAP_ALLOC_ENTER 25
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#define XFS_IOMAP_ALLOC_MAP 26
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#define XFS_IOMAP_UNWRITTEN 27
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extern void xfs_rw_enter_trace(int, struct xfs_iocore *,
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void *, size_t, loff_t, int);
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extern void xfs_inval_cached_trace(struct xfs_iocore *,
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