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    Subject[PATCH 0/7][TAKE6] fallocate system call
    This is the latest fallocate patchset and is rebased to 2.6.22.

    Following are the changes from TAKE5:
    1) Rebased to 2.6.22
    2) Added compat wrapper for x86_64
    3) Dropped s390 and ia64 patches, since the platform maintaners can
    add the support for fallocate once it is in mainline.
    4) Added a change suggested by Andreas for better extent-to-group
    alignment in ext4 (Patch 6/6). Please refer following post:
    5) Renamed mode flags and values from "FA_" to "FALLOC_"
    6) Added manpage (updated version of the one initially submitted by
    David Chinner).

    1> Implementation on other architectures (other than i386, x86_64,
    and ppc64). s390(x) and ia64 patches are ready and will be pushed
    by platform maintaners when the fallocate is in mainline.
    2> A generic file system operation to handle fallocate
    (generic_fallocate), for filesystems that do _not_ have the fallocate
    inode operation implemented.
    3> Changes to glibc,
    a) to support fallocate() system call
    b) to make posix_fallocate() and posix_fallocate64() call fallocate()
    4> A testcase to test the system call. Will post it soon.

    Following patches follow:
    Patch 1/7 : manpage for fallocate
    Patch 2/7 : fallocate() implementation in i386, x86_64 and powerpc
    Patch 3/7 : support new modes in fallocate
    Patch 4/7 : ext4: fallocate support in ext4
    Patch 5/7 : ext4: write support for preallocated blocks
    Patch 6/7 : ext4: support new modes in ext4
    Patch 7/7 : ext4: change for better extent-to-group alignment

    Amit Arora
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