cifs: handle lease F_UNLCK requests properly
Currently any F_UNLCK request for a lease just gets back -EAGAIN. Allow them to go immediately to generic_setlease instead. Signed-off-by: Jeff Layton <jlayton@primarydata.com> Signed-off-by: Steve French <smfrench@gmail.com>
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1 changed files with 3 additions and 2 deletions
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@ -812,8 +812,9 @@ static int cifs_setlease(struct file *file, long arg, struct file_lock **lease)
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if (!(S_ISREG(inode->i_mode)))
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return -EINVAL;
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/* check if file is oplocked */
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if (((arg == F_RDLCK) && CIFS_CACHE_READ(CIFS_I(inode))) ||
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/* Check if file is oplocked if this is request for new lease */
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if (arg == F_UNLCK ||
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((arg == F_RDLCK) && CIFS_CACHE_READ(CIFS_I(inode))) ||
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((arg == F_WRLCK) && CIFS_CACHE_WRITE(CIFS_I(inode))))
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return generic_setlease(file, arg, lease);
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else if (tlink_tcon(cfile->tlink)->local_lease &&
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