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NFSv4.1/pnfs: Don't ask for a read layout for an empty file.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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1 changed files with 3 additions and 0 deletions
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@ -1494,6 +1494,9 @@ pnfs_update_layout(struct inode *ino,
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if (!pnfs_enabled_sb(NFS_SERVER(ino)))
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goto out;
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if (iomode == IOMODE_READ && i_size_read(ino) == 0)
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goto out;
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if (pnfs_within_mdsthreshold(ctx, ino, iomode))
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goto out;
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