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scan: invalidate bcache for dev after errors

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If there are errors reading or writing dev,
invalidate bcache for it.
This commit is contained in:
David Teigland 2018-02-27 15:03:56 -06:00
parent 4331182964
commit da2b155a9d
1 changed files with 19 additions and 6 deletions
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25
lib/label/label.c
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@ -871,11 +871,16 @@ bool dev_read_bytes(struct device *dev, off_t start, size_t len, void *data)
}
if (dev->bcache_fd <= 0) {
log_error("dev_read_bytes %s with invalid bcache_fd", dev_name(dev));
log_error("dev_read_bytes %s with invalid fd %d", dev_name(dev), dev->bcache_fd);
return false;
}
return bcache_read_bytes(scan_bcache, dev->bcache_fd, start, len, data);
if (!bcache_read_bytes(scan_bcache, dev->bcache_fd, start, len, data)) {
label_scan_invalidate(dev);
return false;
}
return true;
}
bool dev_write_bytes(struct device *dev, off_t start, size_t len, void *data)
@ -895,11 +900,15 @@ bool dev_write_bytes(struct device *dev, off_t start, size_t len, void *data)
}
if (dev->bcache_fd <= 0) {
log_error("dev_write_bytes %s with invalid bcache_fd", dev_name(dev));
log_error("dev_write_bytes %s with invalid fd %d", dev_name(dev), dev->bcache_fd);
return false;
}
return bcache_write_bytes(scan_bcache, dev->bcache_fd, start, len, data);
if (!bcache_write_bytes(scan_bcache, dev->bcache_fd, start, len, data)) {
label_scan_invalidate(dev);
return false;
}
return true;
}
bool dev_write_zeros(struct device *dev, off_t start, size_t len)
@ -919,10 +928,14 @@ bool dev_write_zeros(struct device *dev, off_t start, size_t len)
}
if (dev->bcache_fd <= 0) {
log_error("dev_write_bytes %s with invalid bcache_fd", dev_name(dev));
log_error("dev_write_bytes %s with invalid fd %d", dev_name(dev), dev->bcache_fd);
return false;
}
return bcache_write_zeros(scan_bcache, dev->bcache_fd, start, len);
if (!bcache_write_zeros(scan_bcache, dev->bcache_fd, start, len)) {
label_scan_invalidate(dev);
return false;
}
return true;
}