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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)
commitf3ce8064b388ccf420012c5a4907aae4f13fe9d0
tree3d0cbfffc75ea698726d71c06c9b0be82982d6ebtree | snapshot (tar.gz zip)
parent8d5d02e6b176565c77ff03604908b1453a22044dcommit | 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 | blame | history