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authorTheodore Ts'o <tytso@mit.edu>2013-08-16 21:23:41 -0400
committerTheodore Ts'o <tytso@mit.edu>2013-08-16 21:23:41 -0400
commit107a7bd31ac003e42c0f966aa8e5b26947de6024 (patch)
treeeb1484facfcba3e07b64d8775fa91fbe45591ab1 /Documentation/edac.txt
parent3be78c73179c9347bdc0a92b2898063bd2300ff7 (diff)
downloadlinux-107a7bd31ac003e42c0f966aa8e5b26947de6024.tar.bz2
ext4: cache all of an extent tree's leaf block upon reading
When we read in an extent tree leaf block from disk, arrange to have all of its entries cached. In nearly all cases the in-memory representation will be more compact than the on-disk representation in the buffer cache, and it allows us to get the information without having to traverse the extent tree for successive extents. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
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