ext4: fix wrong assert in ext4_mb_normalize_request()
The variable "size" is expressed as number of blocks and not as number of clusters, this could trigger a kernel panic when using ext4 with the size of a cluster different from the size of a block. Cc: stable@vger.kernel.org Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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@ -3145,7 +3145,7 @@ ext4_mb_normalize_request(struct ext4_allocation_context *ac,
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BUG_ON(start + size <= ac->ac_o_ex.fe_logical &&
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start > ac->ac_o_ex.fe_logical);
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BUG_ON(size <= 0 || size > EXT4_CLUSTERS_PER_GROUP(ac->ac_sb));
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BUG_ON(size <= 0 || size > EXT4_BLOCKS_PER_GROUP(ac->ac_sb));
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/* now prepare goal request */
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