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f8dc06303b
If a pNFS server's DS runs out of disk space, it replies NFSERR_NOSPC to the client doing writing. For the Linux client, it then sends a LayoutError RPC to the MDS server to tell it about the error and keeps retrying, doing repeated LayoutGets to the MDS and Write RPCs to the DS. The Linux client is "stuck" until disk space on the DS is free'd up unless a subsequent LayoutGet request is sent a NFSERR_NOSPC reply. The looping problem still occurs for NFSv4.1 mounts, but no fix for this is known at this time. This patch changes the pNFS MDS server to reply to LayoutGet operations with NFSERR_NOSPC once a LayoutError reports the problem, until the DS has available space. This keeps the Linux NFSv4.2 from looping. Found during recent testing because of issues w.r.t. a DS being out of space found during a recent IEFT NFSv4 working group testing event. MFC after: 2 weeks |
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| autofs | ||
| cd9660 | ||
| cuse | ||
| deadfs | ||
| devfs | ||
| ext2fs | ||
| fdescfs | ||
| fifofs | ||
| fuse | ||
| mntfs | ||
| msdosfs | ||
| nfs | ||
| nfsclient | ||
| nfsserver | ||
| nullfs | ||
| procfs | ||
| pseudofs | ||
| smbfs | ||
| tmpfs | ||
| udf | ||
| unionfs | ||