diff options
Diffstat (limited to 'usr/src/uts/common/fs/zfs/zio_compress.c')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/zio_compress.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/usr/src/uts/common/fs/zfs/zio_compress.c b/usr/src/uts/common/fs/zfs/zio_compress.c index 9882806a7d..4ae2581e3b 100644 --- a/usr/src/uts/common/fs/zfs/zio_compress.c +++ b/usr/src/uts/common/fs/zfs/zio_compress.c @@ -144,20 +144,31 @@ zio_decompress_data_buf(enum zio_compress c, void *src, void *dst, return (ci->ci_decompress(src, dst, s_len, d_len, ci->ci_level)); } +void *zio_decompress_failed_buf; + int zio_decompress_data(enum zio_compress c, abd_t *src, void *dst, size_t s_len, size_t d_len) { void *tmp = abd_borrow_buf_copy(src, s_len); int ret = zio_decompress_data_buf(c, tmp, dst, s_len, d_len); - abd_return_buf(src, tmp, s_len); /* - * Decompression shouldn't fail, because we've already verifyied + * Decompression shouldn't fail, because we've already verified * the checksum. However, for extra protection (e.g. against bitflips * in non-ECC RAM), we handle this error (and test it). */ - ASSERT0(ret); + if (ret != 0) { + zio_decompress_failed_buf = kmem_alloc(s_len, KM_SLEEP); + bcopy(tmp, zio_decompress_failed_buf, s_len); + panic("decompression failed " + "err=%u c=%u buf=%p s_len=%u d_len=%u", + ret, (int)c, zio_decompress_failed_buf, + (int)s_len, (int)d_len); + } + + abd_return_buf(src, tmp, s_len); + if (zio_decompress_fail_fraction != 0 && spa_get_random(zio_decompress_fail_fraction) == 0) ret = SET_ERROR(EINVAL); |