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ext4: fix potential race when freeing ext4_io_page structures
author
Theodore Ts'o
<tytso@mit.edu>
Mon, 8 Nov 2010 18:45:33 +0000
(13:45 -0500)
committer
Theodore Ts'o
<tytso@mit.edu>
Mon, 8 Nov 2010 18:45:33 +0000
(13:45 -0500)
Use an atomic_t and make sure we don't free the structure while we
might still be submitting I/O for that page.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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