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authorMark Fasheh <mark.fasheh@oracle.com>2007-11-01 11:37:48 -0700
committerMark Fasheh <mark.fasheh@oracle.com>2007-11-06 15:35:29 -0800
commit4e9563fd55ff4479f2b118d0757d121dd0cfc39c (patch)
tree604066cd76db3d40896263d4a24a7fd5d9824eb2 /fs/ocfs2/cluster
parentocfs2: Commit journal on sync writes (diff)
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linux-dev-4e9563fd55ff4479f2b118d0757d121dd0cfc39c.zip
ocfs2: fix write() performance regression
On file systems which don't support sparse files, Ocfs2_map_page_blocks() was reading blocks on appending writes. This caused write performance to suffer dramatically. Fix this by detecting an appending write on a nonsparse fs and skipping the read. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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