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fuse: check fallocate mode
Don't allow new fallocate modes until we figure out what (if anything) that takes. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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@ -2972,6 +2972,9 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
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bool lock_inode = !(mode & FALLOC_FL_KEEP_SIZE) ||
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(mode & FALLOC_FL_PUNCH_HOLE);
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if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
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return -EOPNOTSUPP;
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if (fc->no_fallocate)
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return -EOPNOTSUPP;
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