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https://issues.apache.org/jira/browse/HDFS-1841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13178350#comment-13178350
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Harsh J commented on HDFS-1841:
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Brian,
Apologies for coming in very late. Nice patch, thanks!
Given (2), is (1) unnecessary?
> Enforce read-only permissions in FUSE open()
> --------------------------------------------
>
> Key: HDFS-1841
> URL: https://issues.apache.org/jira/browse/HDFS-1841
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: contrib/fuse-dfs
> Affects Versions: 0.20.2
> Environment: Linux 2.6.35
> Reporter: Brian Bloniarz
> Priority: Minor
> Attachments: patch.fuse-dfs
>
>
> fuse-dfs currently allows files to be created on a read-only filesystem:
> $ fuse_dfs_wrapper.sh dfs://example.com:8020 ro ~/hdfs
> $ touch ~/hdfs/foobar
> Attached is a simple patch, which does two things:
> 1) Checks the read_only flag inside dfs_open().
> 2) Passes the read-only mount option to FUSE when ro is specified on the
> commandline. This is probably a better long-term solution; the kernel will
> enforce the read-only operations without it being necessary inside the client.
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