diff options
| -rw-r--r-- | drivers/staging/lustre/lustre/lov/lov_obd.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/staging/lustre/lustre/lov/lov_obd.c b/drivers/staging/lustre/lustre/lov/lov_obd.c index 9b12159406fc..9ab303310607 100644 --- a/drivers/staging/lustre/lustre/lov/lov_obd.c +++ b/drivers/staging/lustre/lustre/lov/lov_obd.c @@ -1548,6 +1548,8 @@ static int lov_fiemap(struct lov_obd *lov, __u32 keylen, void *key, u64 fm_start, fm_end, fm_length, fm_end_offset; u64 curr_loc; int current_extent = 0, rc = 0, i; + /* Whether have we collected enough extents */ + bool enough = false; int ost_eof = 0; /* EOF for object */ int ost_done = 0; /* done with required mapping for this OST? */ int last_stripe; @@ -1682,7 +1684,7 @@ static int lov_fiemap(struct lov_obd *lov, __u32 keylen, void *key, lun_start += len_mapped_single_call; fm_local->fm_length = req_fm_len - len_mapped_single_call; req_fm_len = fm_local->fm_length; - fm_local->fm_extent_count = count_local; + fm_local->fm_extent_count = enough ? 1 : count_local; fm_local->fm_mapped_extents = 0; fm_local->fm_flags = fiemap->fm_flags; @@ -1730,6 +1732,12 @@ inactive_tgt: goto finish; } break; + } else if (enough) { + /* + * We've collected enough extents and there are + * more extents after it. + */ + goto finish; } /* If we just need num of extents then go to next device */ @@ -1769,7 +1777,7 @@ inactive_tgt: /* Ran out of available extents? */ if (current_extent >= fiemap->fm_extent_count) - goto finish; + enough = true; } while (ost_done == 0 && ost_eof == 0); if (cur_stripe_wrap == last_stripe) |