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ext4: EXT4_IOC_MOVE_EXT: Check for different original and donor inodes first
authorTheodore Ts'o <tytso@mit.edu>
Mon, 28 Sep 2009 19:58:29 +0000 (15:58 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 28 Sep 2009 19:58:29 +0000 (15:58 -0400)
commit0df9d560b014d1efdf254edf34cee3f85e023f0b
tree3d0cbfffc75ea698726d71c06c9b0be82982d6ebtree | snapshot
parente0f8a2e1ce18daace540a89bfaabf67cec5a9cc6commit | diff
ext4: EXT4_IOC_MOVE_EXT: Check for different original and donor inodes first

Move the check to make sure the original and donor inodes are
different earlier, to avoid a potential deadlock by trying to lock the
same inode twice.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
fs/ext4/move_extent.c diff | blob | history
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