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authorWei Yongjun <yjwei@cn.fujitsu.com>2009-05-19 12:03:15 +0800
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-05-27 17:40:06 -0400
commita0d24b295aed7a9daf4ca36bd4784e4d40f82303 (patch)
tree2cda7bf3b4514cf13158a557f3ab82d384ce5349 /fs/btrfs/compat.h
parent59a3759d0fe8d969888c741bb33f4946e4d3750d (diff)
nfsd: fix hung up of nfs client while sync write data to nfs server
Commit 'Short write in nfsd becomes a full write to the client' (31dec2538e45e9fff2007ea1f4c6bae9f78db724) broken the sync write. With the following commands to reproduce: $ mount -t nfs -o sync 192.168.0.21:/nfsroot /mnt $ cd /mnt $ echo aaaa > temp.txt Then nfs client is hung up. In SYNC mode the server alaways return the write count 0 to the client. This is because the value of host_err in nfsd_vfs_write() will be overwrite in SYNC mode by 'host_err=nfsd_sync(file);', and then we return host_err(which is now 0) as write count. This patch fixed the problem. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs/btrfs/compat.h')
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