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ree_fs_truncate() sync #2099

Merged
merged 4 commits into from
Feb 2, 2018
Merged

ree_fs_truncate() sync #2099

merged 4 commits into from
Feb 2, 2018

Commits on Feb 2, 2018

  1. core: REE FS: ree_fs_truncate(): fix reversed error checks 

    Reported-by: Kevin Peng <kevinp@marvell.com>
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jforissier
    jforissier committed Feb 2, 2018
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  2. core: REE FS: make sure dirty flag is set when object is truncated 

    When an object is truncated but the number of blocks is unchanged, only
the metadata's length field is modified. The hash tree layer has to be
notified so that it knows it has to flush the data before closing the
object, otherwise the truncation is lost.
Add a function for that purpose: tee_fs_htree_meta_set_dirty(), and
call it whenever meta->length is updated.

Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jens Wiklander <jens.wiklander@linaro.org>
    @jforissier
    jforissier committed Feb 2, 2018
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  3. core: REE FS: ree_fs_truncate() commit dirh writes 

    To commit the changes done by ree_fs_truncate() in the dirfile, call
commit_dirh_writes() before closing the dirh.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
    @jenswi-linaro @jforissier
    jenswi-linaro authored and jforissier committed Feb 2, 2018
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  4. core: fs_htree: include meta in root hash 

    Includes the meta data when calculating the hash of the root node to
detect changes in file length while number of blocks is unchanged.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org>
Fixes: OP-TEE#2094
Reported-by: Kevin Peng <kevinp@marvell.com>
Tested-by: Kevin Peng <kevinp@marvell.com>
[jf: add Fixes:, Reported-by: and Tested-by: tags]
Signed-off-by: Jerome Forissier <jerome.forissier@linaro.org>
    @jenswi-linaro @jforissier
    jenswi-linaro authored and jforissier committed Feb 2, 2018
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