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author | Darrick J. Wong <darrick.wong@oracle.com> | 2017-04-20 15:09:05 -0700 |
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committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-04-25 09:40:42 -0700 |
commit | c4cf1acdb186436b88cc9aeaf08322bc49fec183 (patch) | |
tree | 182b16a4ff2cb81bf720e4d7d2666fa4851cee60 /fs/xfs/xfs_extfree_item.c | |
parent | 20e8a063786050083fe05b4f45be338c60b49126 (diff) | |
download | talos-obmc-linux-c4cf1acdb186436b88cc9aeaf08322bc49fec183.tar.gz talos-obmc-linux-c4cf1acdb186436b88cc9aeaf08322bc49fec183.zip |
xfs: better log intent item refcount checking
Use ASSERTs on the log intent item refcounts so that we fail noisily if
anyone tries to double-free the item.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/xfs_extfree_item.c')
-rw-r--r-- | fs/xfs/xfs_extfree_item.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c index d7bc14906af8..44f8c5451210 100644 --- a/fs/xfs/xfs_extfree_item.c +++ b/fs/xfs/xfs_extfree_item.c @@ -290,6 +290,7 @@ void xfs_efi_release( struct xfs_efi_log_item *efip) { + ASSERT(atomic_read(&efip->efi_refcount) > 0); if (atomic_dec_and_test(&efip->efi_refcount)) { xfs_trans_ail_remove(&efip->efi_item, SHUTDOWN_LOG_IO_ERROR); xfs_efi_item_free(efip); |