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Petersen" , Shin'ichiro Kawasaki , linux-block@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: fix /dev/sg allocation failures register From: "Martin K. 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a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=xqWC_Br6kY4A:10 a=A5OVakUREuEA:10 a=GoEa3M9JfhUA:10 a=VkNPw1HP01LnGYTKEx00:22 a=jiCTI4zE5U7BLdzWsZGv:22 a=EIcjfB9IiI4px24ztqRk:22 a=GISNUztzvdc1q_S9rGwA:9 X-Proofpoint-ORIG-GUID: 5cYax6MTqYPefSW5Z283WxkV7xzRX5DU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDIxMDAyMCBTYWx0ZWRfX4XEUF66xL29s Z9Dq1fcCfDabmooyNpIaJ2yqFiz9BBDd4rVKh1eMy2TlunBxWxI0cRre2SqJlK0tmZwdoznDm13 x6fTVQQvk1TEYxhy4x9HdRxPLFSa21thYGSrZLsoHueRfzRmhZjfNZiSiVrSMJEICqdn5qSDTdp pdX9dj9YzRUkDUtCJRCIXRR3CHU0fMeeVT+XmtxamZy4iKBrSZOaRPYhL1YuE5W1WTQ2n/zdn8L nejQk/KjqEmwUtS+UnFjrGlz6ea1UoDSMabG1KYJ9FAeYXgXyHAiBxy6OjXn9Twy1jDHjgqRhSI St4Fxqc45/cbqaHKxbkA6uLrWj8EvtpmR8sIt8scpMwxf1wEsTXDHKxOeJHodPwEaqpV3OcW9gW vSzEX/FAHey+OSx63vUNP8mCn29DSTjSg4hcuZY1VRkWjY0vlcB9ps0FpAkQKeu2e50Z4YeoaqW WHl43+Cx5QIDpB9jG1w== X-Proofpoint-GUID: 5cYax6MTqYPefSW5Z283WxkV7xzRX5DU Christoph, > This series has two independent patches to fix this from different > angles. The first one changes the completely pointless GFP_ATOMIC to > use GFP_ATOMIC in sg. The other drops the reduction of the gfp mask in > the bio allocator, so that atomic allocations of bios work as > expected, even if they are a pretty bad idea as the bio submission > actually needs a user context anyway. The only other uses of this > seems to be the ocfs2 cluster managed. Applied #1 to 7.1/scsi-staging, thanks! #2 needs to go through block. -- Martin K. Petersen