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Bug #20907

buffer::list::write_fd writes 1023 segments at a time

Added by Dan Mick over 6 years ago. Updated over 6 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
common
Target version:
-
% Done:

0%

Source:
Development
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):

Description

write_fd limits the number of iov's to IOV_MAX-1; it should be IOV_MAX. (Observed watching syscalls with strace; 2K 1-byte buffers are written with three writev's of len 1023,1023,2.)

History

#1 Updated by Dan Mick over 6 years ago

  • Status changed from 12 to Fix Under Review

#2 Updated by Greg Farnum over 6 years ago

  • Status changed from Fix Under Review to Resolved

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