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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-10 12:49:46 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-10 12:49:46 -0400 |
commit | 2283af5b0b99565f516eacd756df2b1ddf9f4f85 (patch) | |
tree | 4930014b56cb1773e175cbeb8e7833584e3074bb | |
parent | 6329d3021bcfa9038621e6e917d98929421d8ec8 (diff) | |
parent | 7a1fc53c5adb910751a9b212af90302eb4ffb527 (diff) |
Merge branch 'for-2.6.26' of git://neil.brown.name/md
* 'for-2.6.26' of git://neil.brown.name/md:
md: ensure all blocks are uptodate or locked when syncing
-rw-r--r-- | drivers/md/raid5.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 54c8ee28fcc4..3b27df52456b 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c | |||
@@ -2017,12 +2017,7 @@ static int __handle_issuing_new_read_requests5(struct stripe_head *sh, | |||
2017 | */ | 2017 | */ |
2018 | s->uptodate++; | 2018 | s->uptodate++; |
2019 | return 0; /* uptodate + compute == disks */ | 2019 | return 0; /* uptodate + compute == disks */ |
2020 | } else if ((s->uptodate < disks - 1) && | 2020 | } else if (test_bit(R5_Insync, &dev->flags)) { |
2021 | test_bit(R5_Insync, &dev->flags)) { | ||
2022 | /* Note: we hold off compute operations while checks are | ||
2023 | * in flight, but we still prefer 'compute' over 'read' | ||
2024 | * hence we only read if (uptodate < * disks-1) | ||
2025 | */ | ||
2026 | set_bit(R5_LOCKED, &dev->flags); | 2021 | set_bit(R5_LOCKED, &dev->flags); |
2027 | set_bit(R5_Wantread, &dev->flags); | 2022 | set_bit(R5_Wantread, &dev->flags); |
2028 | if (!test_and_set_bit(STRIPE_OP_IO, &sh->ops.pending)) | 2023 | if (!test_and_set_bit(STRIPE_OP_IO, &sh->ops.pending)) |